13220332112 has 40 divisors (see below), whose sum is σ = 28226255904. Its totient is φ = 5959787904.

The previous prime is 13220332061. The next prime is 13220332121. The reversal of 13220332112 is 21123302231.

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, 730118 + ... + 748005.

Almost surely, 2^13220332112 is an apocalyptic number.

It is an amenable number.

13220332112 is an abundant number, since it is smaller than the sum of its proper divisors (15005923792).

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

13220332112 is a wasteful number, since it uses less digits than its factorization.

13220332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478187 (or 1478181 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13220332112 its reverse (21123302231), we get a palindrome (34343634343).

The spelling of 13220332112 in words is "thirteen billion, two hundred twenty million, three hundred thirty-two thousand, one hundred twelve".