2131131330012 has 12 divisors (see below), whose sum is σ = 4972639770056. Its totient is φ = 710377110000.

The previous prime is 2131131329981. The next prime is 2131131330023. The reversal of 2131131330012 is 2100331311312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 88797138739 + ... + 88797138762.

Almost surely, 2^{2131131330012} is an apocalyptic number.

It is an amenable number.

2131131330012 is an abundant number, since it is smaller than the sum of its proper divisors (2841508440044).

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

2131131330012 is a wasteful number, since it uses less digits than its factorization.

2131131330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177594277508 (or 177594277506 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2131131330012 its reverse (2100331311312), we get a palindrome (4231462641324).

The spelling of 2131131330012 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-one million, three hundred thirty thousand, twelve".