13220112999 has 16 divisors (see below), whose sum is σ = 18557971200. Its totient is φ = 8348003136.

The previous prime is 13220112991. The next prime is 13220113001. The reversal of 13220112999 is 99921102231.

It is not a de Polignac number, because 13220112999 - 2³ = 13220112991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220112991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344227 + ... + 380699.

It is an arithmetic number, because the mean of its divisors is an integer number (1159873200).

Almost surely, 2^13220112999 is an apocalyptic number.

13220112999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13220112999 is a deficient number, since it is larger than the sum of its proper divisors (5337858201).

13220112999 is a wasteful number, since it uses less digits than its factorization.

13220112999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42854.

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 13220112999 in words is "thirteen billion, two hundred twenty million, one hundred twelve thousand, nine hundred ninety-nine".