13121311300 has 36 divisors (see below), whose sum is σ = 28478899456. Its totient is φ = 5247482400.

The previous prime is 13121311279. The next prime is 13121311361. The reversal of 13121311300 is 311312131.

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, 672685 + ... + 691915.

Almost surely, 2^13121311300 is an apocalyptic number.

13121311300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121311300 is an abundant number, since it is smaller than the sum of its proper divisors (15357588156).

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

13121311300 is a wasteful number, since it uses less digits than its factorization.

13121311300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068 (or 26061 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13121311300 its reverse (311312131), we get a palindrome (13432623431).

The spelling of 13121311300 in words is "thirteen billion, one hundred twenty-one million, three hundred eleven thousand, three hundred".