13112020402402 has 16 divisors (see below), whose sum is σ = 19870963663320. Its totient is φ = 6488367003648.

The previous prime is 13112020402319. The next prime is 13112020402423. The reversal of 13112020402402 is 20420402021131.

It can be written as a sum of positive squares in 4 ways, for example, as 6972720829281 + 6139299573121 = 2640591^2 + 2477761^2 .

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, 31402374 + ... + 31817182.

Almost surely, 2^{13112020402402} is an apocalyptic number.

13112020402402 is a deficient number, since it is larger than the sum of its proper divisors (6758943260918).

13112020402402 is a wasteful number, since it uses less digits than its factorization.

13112020402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577845.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13112020402402 its reverse (20420402021131), we get a palindrome (33532422423533).

The spelling of 13112020402402 in words is "thirteen trillion, one hundred twelve billion, twenty million, four hundred two thousand, four hundred two".