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12021103231010 = 255965331201763
BaseRepresentation
bin1010111011101110000110…
…0101101000000000100010
31120120012120100112022110222
42232323201211220000202
53033423204411343020
641322230225323042
72350332100350236
oct256734145500042
946505510468428
1012021103231010
113915137425695
12142192b196482
1369277b809a23
142d7b786045c6
1515ca6a95eb25
hexaeee1968022

12021103231010 has 32 divisors (see below), whose sum is σ = 22038429948480. Its totient is φ = 4719703327168.

The previous prime is 12021103230989. The next prime is 12021103231013. The reversal of 12021103231010 is 1013230112021.

It is a super-2 number, since 2×120211032310102 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12021103231010.

It is not an unprimeable number, because it can be changed into a prime (12021103231013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15215612 + ... + 15986151.

It is an arithmetic number, because the mean of its divisors is an integer number (688700935890).

Almost surely, 212021103231010 is an apocalyptic number.

12021103231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021103231010 is a deficient number, since it is larger than the sum of its proper divisors (10017326717470).

12021103231010 is a wasteful number, since it uses less digits than its factorization.

12021103231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31202482.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12021103231010 its reverse (1013230112021), we get a palindrome (13034333343031).

The spelling of 12021103231010 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 59 118 295 590 653 1306 3265 6530 38527 77054 192635 385270 31201763 62403526 156008815 312017630 1840904017 3681808034 9204520085 18409040170 20374751239 40749502478 101873756195 203747512390 1202110323101 2404220646202 6010551615505 12021103231010