13013111212 has 24 divisors (see below), whose sum is σ = 24152641632. Its totient is φ = 6121632000.

The previous prime is 13013111183. The next prime is 13013111231. The reversal of 13013111212 is 21211131031.

It is a happy 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, 1153789 + ... + 1165012.

It is an arithmetic number, because the mean of its divisors is an integer number (1006360068).

Almost surely, 2^13013111212 is an apocalyptic number.

It is an amenable number.

13013111212 is a deficient number, since it is larger than the sum of its proper divisors (11139530420).

13013111212 is a wasteful number, since it uses less digits than its factorization.

13013111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318889 (or 2318887 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13013111212 its reverse (21211131031), we get a palindrome (34224242243).

The spelling of 13013111212 in words is "thirteen billion, thirteen million, one hundred eleven thousand, two hundred twelve".