13112234212 has 36 divisors (see below), whose sum is σ = 28825249600. Its totient is φ = 5108661360.

The previous prime is 13112234209. The next prime is 13112234237. The reversal of 13112234212 is 21243221131.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1931712 + ... + 1938487.

Almost surely, 2^13112234212 is an apocalyptic number.

It is an amenable number.

13112234212 is an abundant number, since it is smaller than the sum of its proper divisors (15713015388).

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

13112234212 is a wasteful number, since it uses less digits than its factorization.

13112234212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870232 (or 3870219 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 13112234212 its reverse (21243221131), we get a palindrome (34355455343).

The spelling of 13112234212 in words is "thirteen billion, one hundred twelve million, two hundred thirty-four thousand, two hundred twelve".