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2131210202012 = 22976178902447
BaseRepresentation
bin11111000000110110000…
…001101110101110011100
321112202000200222201122122
4133000312001232232130
5234404204302431022
64311021531002112
7306655242551123
oct37006601565634
97482020881578
102131210202012
11751928664671
122a5061b99338
13125c84092b68
1475218982aba
153a6871e4742
hex1f03606eb9c

2131210202012 has 24 divisors (see below), whose sum is σ = 3774175024704. Its totient is φ = 1052910093312.

The previous prime is 2131210201997. The next prime is 2131210202113. The reversal of 2131210202012 is 2102020121312.

It is a congruent number.

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, 4211828 + ... + 4690619.

It is an arithmetic number, because the mean of its divisors is an integer number (157257292696).

Almost surely, 22131210202012 is an apocalyptic number.

It is an amenable number.

2131210202012 is a deficient number, since it is larger than the sum of its proper divisors (1642964822692).

2131210202012 is a wasteful number, since it uses less digits than its factorization.

2131210202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903165 (or 8903163 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2131210202012 its reverse (2102020121312), we get a palindrome (4233230323324).

The spelling of 2131210202012 in words is "two trillion, one hundred thirty-one billion, two hundred ten million, two hundred two thousand, twelve".

Divisors: 1 2 4 97 194 388 617 1234 2468 59849 119698 239396 8902447 17804894 35609788 863537359 1727074718 3454149436 5492809799 10985619598 21971239196 532802550503 1065605101006 2131210202012