2131210121312 has 48 divisors (see below), whose sum is σ = 4228224462000. Its totient is φ = 1057376785920.

The previous prime is 2131210121309. The next prime is 2131210121323.

2131210121312 is nontrivially palindromic in base 10.

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, 90489314 + ... + 90512862.

It is an arithmetic number, because the mean of its divisors is an integer number (88088009625).

Almost surely, 2^{2131210121312} is an apocalyptic number.

It is an amenable number.

2131210121312 is a deficient number, since it is larger than the sum of its proper divisors (2097014340688).

2131210121312 is a wasteful number, since it uses less digits than its factorization.

2131210121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45279 (or 45271 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 2131210 and 121312, that added together give a palindrome (2252522).

The spelling of 2131210121312 in words is "two trillion, one hundred thirty-one billion, two hundred ten million, one hundred twenty-one thousand, three hundred twelve".