13197539852228 has 48 divisors (see below), whose sum is σ = 23890517239680. Its totient is φ = 6374837126400.

The previous prime is 13197539852209. The next prime is 13197539852311. The reversal of 13197539852228 is 82225893579131.

It is a super-2 number, since 2×13197539852228² (a number of 27 digits) contains 22 as substring.

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, 333411398 + ... + 333450978.

It is an arithmetic number, because the mean of its divisors is an integer number (497719109160).

Almost surely, 2^{13197539852228} is an apocalyptic number.

It is an amenable number.

13197539852228 is a deficient number, since it is larger than the sum of its proper divisors (10692977387452).

13197539852228 is a wasteful number, since it uses less digits than its factorization.

13197539852228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59468 (or 59466 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 65.

The spelling of 13197539852228 in words is "thirteen trillion, one hundred ninety-seven billion, five hundred thirty-nine million, eight hundred fifty-two thousand, two hundred twenty-eight".