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12120301000230 = 2354572026143633
BaseRepresentation
bin1011000001011111101000…
…1111000101011000100110
31120220200121121122002222120
42300113322033011120212
53042034334024001410
641435553414010410
72360443233441423
oct260277217053046
946820547562876
1012120301000230
113953210a36945
121438bb4346a06
1369bc2a0650a7
142dc8a8cb8d4a
15160424531570
hexb05fa3c5626

12120301000230 has 64 divisors (see below), whose sum is σ = 29154480873408. Its totient is φ = 3224774799360.

The previous prime is 12120301000219. The next prime is 12120301000237. The reversal of 12120301000230 is 3200010302121.

12120301000230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120301000237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277756494 + ... + 277800126.

It is an arithmetic number, because the mean of its divisors is an integer number (455538763647).

Almost surely, 212120301000230 is an apocalyptic number.

12120301000230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120301000230 is an abundant number, since it is smaller than the sum of its proper divisors (17034179873178).

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

12120301000230 is a wasteful number, since it uses less digits than its factorization.

12120301000230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64361.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12120301000230 its reverse (3200010302121), we get a palindrome (15320311302351).

The spelling of 12120301000230 in words is "twelve trillion, one hundred twenty billion, three hundred one million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 457 914 1371 2285 2742 4570 6855 13710 20261 40522 43633 60783 87266 101305 121566 130899 202610 218165 261798 303915 436330 607830 654495 1308990 9259277 18518554 19940281 27777831 39880562 46296385 55555662 59820843 92592770 99701405 119641686 138889155 199402810 277778310 299104215 598208430 884048213 1768096426 2652144639 4420241065 5304289278 8840482130 13260723195 26521446390 404010033341 808020066682 1212030100023 2020050166705 2424060200046 4040100333410 6060150500115 12120301000230