2131012110012 has 24 divisors (see below), whose sum is σ = 4972850271312. Its totient is φ = 710267558400.

The previous prime is 2131012110011. The next prime is 2131012110023. The reversal of 2131012110012 is 2100112101312.

It is a super-2 number, since 2×2131012110012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131012109973 and 2131012110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131012110011) 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 7 ways as a sum of consecutive naturals, for example, 8599189 + ... + 8843532.

It is an arithmetic number, because the mean of its divisors is an integer number (207202094638).

Almost surely, 2^{2131012110012} is an apocalyptic number.

It is an amenable number.

2131012110012 is an abundant number, since it is smaller than the sum of its proper divisors (2841838161300).

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

2131012110012 is a wasteful number, since it uses less digits than its factorization.

2131012110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17452909 (or 17452907 counting only the distinct ones).

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

Adding to 2131012110012 its reverse (2100112101312), we get a palindrome (4231124211324).

The spelling of 2131012110012 in words is "two trillion, one hundred thirty-one billion, twelve million, one hundred ten thousand, twelve".