13120211200 has 54 divisors (see below), whose sum is σ = 32474588594. Its totient is φ = 5248081920.

The previous prime is 13120211179. The next prime is 13120211201. The reversal of 13120211200 is 211202131.

It can be written as a sum of positive squares in 3 ways, for example, as 84052224 + 13036158976 = 9168^2 + 114176^2 .

It is not an unprimeable number, because it can be changed into a prime (13120211201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1018617 + ... + 1031416.

Almost surely, 2^13120211200 is an apocalyptic number.

13120211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120211200 is an abundant number, since it is smaller than the sum of its proper divisors (19354377394).

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

13120211200 is an equidigital number, since it uses as much as digits as its factorization.

13120211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050059 (or 2050040 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13120211200 its reverse (211202131), we get a palindrome (13331413331).

The spelling of 13120211200 in words is "thirteen billion, one hundred twenty million, two hundred eleven thousand, two hundred".