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12021131031002 = 271383221033557
BaseRepresentation
bin1010111011101110001100…
…1111101011000111011010
31120120012122021211200220022
42232323203033223013122
53033423234020443002
641322233101230442
72350332555553622
oct256734317530732
946505567750808
1012021131031002
113915151093195
121421938562422
136927844c1522
142d7b7c19d882
1515ca6d101ba2
hexaeee33eb1da

12021131031002 has 16 divisors (see below), whose sum is σ = 18333407434752. Its totient is φ = 5910437287440.

The previous prime is 12021131030957. The next prime is 12021131031011. The reversal of 12021131031002 is 20013013112021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110462393 + ... + 110571164.

It is an arithmetic number, because the mean of its divisors is an integer number (1145837964672).

Almost surely, 212021131031002 is an apocalyptic number.

12021131031002 is a deficient number, since it is larger than the sum of its proper divisors (6312276403750).

12021131031002 is a wasteful number, since it uses less digits than its factorization.

12021131031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221034013.

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

Adding to 12021131031002 its reverse (20013013112021), we get a palindrome (32034144143023).

The spelling of 12021131031002 in words is "twelve trillion, twenty-one billion, one hundred thirty-one million, thirty-one thousand, two".

Divisors: 1 2 71 142 383 766 27193 54386 221033557 442067114 15693382547 31386765094 84655852331 169311704662 6010565515501 12021131031002