1312102312202 has 24 divisors (see below), whose sum is σ = 2184761512836. Its totient is φ = 590505080000.

The previous prime is 1312102312181. The next prime is 1312102312207. The reversal of 1312102312202 is 2022132012131.

It can be written as a sum of positive squares in 2 ways, for example, as 858029837401 + 454072474801 = 926299^2 + 673849^2 .

It is a super-2 number, since 2×1312102312202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312102312207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26816699 + ... + 26865582.

Almost surely, 2^{1312102312202} is an apocalyptic number.

1312102312202 is a deficient number, since it is larger than the sum of its proper divisors (872659200634).

1312102312202 is a wasteful number, since it uses less digits than its factorization.

1312102312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53682406 (or 53682395 counting only the distinct ones).

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

Adding to 1312102312202 its reverse (2022132012131), we get a palindrome (3334234324333).

The spelling of 1312102312202 in words is "one trillion, three hundred twelve billion, one hundred two million, three hundred twelve thousand, two hundred two".