210131100120012 has 24 divisors (see below), whose sum is σ = 519147423826416. Its totient is φ = 65923482390528.

The previous prime is 210131100120001. The next prime is 210131100120023. The reversal of 210131100120012 is 210021001131012.

It is an interprime number because it is at equal distance from previous prime (210131100120001) and next prime (210131100120023).

It is a junction number, because it is equal to n+sod(n) for n = 210131100119973 and 210131100120000.

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, 515027205973 + ... + 515027206380.

It is an arithmetic number, because the mean of its divisors is an integer number (21631142659434).

Almost surely, 2^{210131100120012} is an apocalyptic number.

It is an amenable number.

210131100120012 is an abundant number, since it is smaller than the sum of its proper divisors (309016323706404).

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

210131100120012 is a wasteful number, since it uses less digits than its factorization.

210131100120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030054412377 (or 1030054412375 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 210131100120012 its reverse (210021001131012), we get a palindrome (420152101251024).

The spelling of 210131100120012 in words is "two hundred ten trillion, one hundred thirty-one billion, one hundred million, one hundred twenty thousand, twelve".