2131204021312 has 28 divisors (see below), whose sum is σ = 4249151172496. Its totient is φ = 1060551757440.

The previous prime is 2131204021291. The next prime is 2131204021321.

2131204021312 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78896598 + ... + 78923605.

Almost surely, 2^{2131204021312} is an apocalyptic number.

It is an amenable number.

2131204021312 is a deficient number, since it is larger than the sum of its proper divisors (2117947151184).

2131204021312 is a wasteful number, since it uses less digits than its factorization.

2131204021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157820426 (or 157820416 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Multiplying 2131204021312 by its sum of digits (22), we get a palindrome (46886488468864).

The spelling of 2131204021312 in words is "two trillion, one hundred thirty-one billion, two hundred four million, twenty-one thousand, three hundred twelve".