2131100213012 has 12 divisors (see below), whose sum is σ = 3732764167860. Its totient is φ = 1064596165056.

The previous prime is 2131100212939. The next prime is 2131100213059. The reversal of 2131100213012 is 2103120011312.

It can be written as a sum of positive squares in 2 ways, for example, as 508217855236 + 1622882357776 = 712894^2 + 1273924^2 .

It is a super-2 number, since 2×2131100213012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238480337 + ... + 238489272.

It is an arithmetic number, because the mean of its divisors is an integer number (311063680655).

Almost surely, 2^{2131100213012} is an apocalyptic number.

It is an amenable number.

2131100213012 is a deficient number, since it is larger than the sum of its proper divisors (1601663954848).

2131100213012 is a wasteful number, since it uses less digits than its factorization.

2131100213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476970730 (or 476970728 counting only the distinct ones).

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

Adding to 2131100213012 its reverse (2103120011312), we get a palindrome (4234220224324).

The spelling of 2131100213012 in words is "two trillion, one hundred thirty-one billion, one hundred million, two hundred thirteen thousand, twelve".