13220023112 has 8 divisors (see below), whose sum is σ = 24787543350. Its totient is φ = 6610011552.

The previous prime is 13220023109. The next prime is 13220023153. The reversal of 13220023112 is 21132002231.

13220023112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9855327076 + 3364696036 = 99274^2 + 58006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13220023112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826251437 + ... + 826251452.

Almost surely, 2^13220023112 is an apocalyptic number.

It is an amenable number.

13220023112 is a deficient number, since it is larger than the sum of its proper divisors (11567520238).

13220023112 is a wasteful number, since it uses less digits than its factorization.

13220023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652502895 (or 1652502891 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13220023112 its reverse (21132002231), we get a palindrome (34352025343).

The spelling of 13220023112 in words is "thirteen billion, two hundred twenty million, twenty-three thousand, one hundred twelve".