2102202131312 has 20 divisors (see below), whose sum is σ = 4073563500696. Its totient is φ = 1050959937600.

The previous prime is 2102202131299. The next prime is 2102202131329. The reversal of 2102202131312 is 2131312022012.

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, 8697563 + ... + 8935994.

Almost surely, 2^{2102202131312} is an apocalyptic number.

It is an amenable number.

2102202131312 is a deficient number, since it is larger than the sum of its proper divisors (1971361369384).

2102202131312 is a wasteful number, since it uses less digits than its factorization.

2102202131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17641016 (or 17641010 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2102202131312 its reverse (2131312022012), we get a palindrome (4233514153324).

The spelling of 2102202131312 in words is "two trillion, one hundred two billion, two hundred two million, one hundred thirty-one thousand, three hundred twelve".