13120209884 has 24 divisors (see below), whose sum is σ = 25367979168. Its totient is φ = 5905771520.

The previous prime is 13120209863. The next prime is 13120209911. The reversal of 13120209884 is 48890202131.

It is a super-2 number, since 2×13120209884² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 4192877 + ... + 4196004.

It is an arithmetic number, because the mean of its divisors is an integer number (1056999132).

Almost surely, 2^13120209884 is an apocalyptic number.

It is an amenable number.

13120209884 is a deficient number, since it is larger than the sum of its proper divisors (12247769284).

13120209884 is a wasteful number, since it uses less digits than its factorization.

13120209884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388925 (or 8388923 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 13120209884 in words is "thirteen billion, one hundred twenty million, two hundred nine thousand, eight hundred eighty-four".