1213312132202 has 24 divisors (see below), whose sum is σ = 1864815297156. Its totient is φ = 592058697216.

The previous prime is 1213312132199. The next prime is 1213312132211. The reversal of 1213312132202 is 2022312133121.

It can be written as a sum of positive squares in 2 ways, for example, as 1186990639081 + 26321493121 = 1089491^2 + 162239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4365668 + ... + 4635264.

Almost surely, 2^{1213312132202} is an apocalyptic number.

1213312132202 is a deficient number, since it is larger than the sum of its proper divisors (651503164954).

1213312132202 is a wasteful number, since it uses less digits than its factorization.

1213312132202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270902 (or 270859 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1213312132202 its reverse (2022312133121), we get a palindrome (3235624265323).

The spelling of 1213312132202 in words is "one trillion, two hundred thirteen billion, three hundred twelve million, one hundred thirty-two thousand, two hundred two".