13201220403204 has 48 divisors (see below), whose sum is σ = 31554522222720. Its totient is φ = 4293027336960.

The previous prime is 13201220403187. The next prime is 13201220403211. The reversal of 13201220403204 is 40230402210231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77000442 + ... + 77171694.

It is an arithmetic number, because the mean of its divisors is an integer number (657385879640).

Almost surely, 2^{13201220403204} is an apocalyptic number.

It is an amenable number.

13201220403204 is an abundant number, since it is smaller than the sum of its proper divisors (18353301819516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13201220403204 is a wasteful number, since it uses less digits than its factorization.

13201220403204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327980 (or 327978 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13201220403204 its reverse (40230402210231), we get a palindrome (53431622613435).

The spelling of 13201220403204 in words is "thirteen trillion, two hundred one billion, two hundred twenty million, four hundred three thousand, two hundred four".