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1232021012130 = 232559463501121
BaseRepresentation
bin10001111011011010001…
…011001011111010100010
311100210001122220001210200
4101323122023023322202
5130141134334342010
62341552130010030
7155003425546356
oct21733213137242
94323048801720
101232021012130
11435551819487
1217a935416916
138c2435a316c
14438b713b466
15220aae77cc0
hex11eda2cbea2

1232021012130 has 96 divisors (see below), whose sum is σ = 3264589336320. Its totient is φ = 322272276480.

The previous prime is 1232021012129. The next prime is 1232021012147. The reversal of 1232021012130 is 312101202321.

1232021012130 is a `hidden beast` number, since 1 + 2 + 320 + 210 + 1 + 2 + 130 = 666.

It is a super-3 number, since 3×12320210121303 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2207970 + ... + 2709090.

It is an arithmetic number, because the mean of its divisors is an integer number (34006138920).

Almost surely, 21232021012130 is an apocalyptic number.

1232021012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232021012130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632294668160).

1232021012130 is an abundant number, since it is smaller than the sum of its proper divisors (2032568324190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232021012130 is a wasteful number, since it uses less digits than its factorization.

1232021012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501656 (or 501653 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1232021012130 its reverse (312101202321), we get a palindrome (1544122214451).

The spelling of 1232021012130 in words is "one trillion, two hundred thirty-two billion, twenty-one million, twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 59 90 118 177 295 354 463 531 590 885 926 1062 1389 1770 2315 2655 2778 4167 4630 5310 6945 8334 13890 20835 27317 41670 54634 81951 136585 163902 245853 273170 409755 491706 501121 819510 1002242 1229265 1503363 2458530 2505605 3006726 4510089 5011210 7516815 9020178 15033630 22550445 29566139 45100890 59132278 88698417 147830695 177396834 232019023 266095251 295661390 443492085 464038046 532190502 696057069 886984170 1160095115 1330476255 1392114138 2088171207 2320190230 2660952510 3480285345 4176342414 6960570690 10440856035 13689122357 20881712070 27378244714 41067367071 68445611785 82134734142 123202101213 136891223570 205336835355 246404202426 410673670710 616010506065 1232021012130