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10121011231230 = 2325902912454943
BaseRepresentation
bin1001001101000111101101…
…0001110111100111111110
31022211120002200012201210100
42103101323101313213332
52311310312333344410
633305310043421530
72063135044005564
oct223217321674776
938746080181710
1010121011231230
113252329a93129
12117562a2248a6
1358553a9b2b63
1426dc068a7a34
1512840da978c0
hex9347b4779fe

10121011231230 has 48 divisors (see below), whose sum is σ = 26317545770880. Its totient is φ = 2698637193024.

The previous prime is 10121011231223. The next prime is 10121011231291. The reversal of 10121011231230 is 3213211012101.

10121011231230 is a `hidden beast` number, since 1 + 0 + 1 + 210 + 112 + 312 + 30 = 666.

It is a super-3 number, since 3×101210112312303 (a number of 40 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5414862 + ... + 7040081.

It is an arithmetic number, because the mean of its divisors is an integer number (548282203560).

Almost surely, 210121011231230 is an apocalyptic number.

10121011231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121011231230 is an abundant number, since it is smaller than the sum of its proper divisors (16196534539650).

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

10121011231230 is a wasteful number, since it uses less digits than its factorization.

10121011231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463985 (or 12463982 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10121011231230 its reverse (3213211012101), we get a palindrome (13334222243331).

The spelling of 10121011231230 in words is "ten trillion, one hundred twenty-one billion, eleven million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 9029 18058 27087 45145 54174 81261 90290 135435 162522 270870 406305 812610 12454943 24909886 37364829 62274715 74729658 112094487 124549430 186824145 224188974 373648290 560472435 1120944870 112455680347 224911360694 337367041041 562278401735 674734082082 1012101123123 1124556803470 1686835205205 2024202246246 3373670410410 5060505615615 10121011231230