12999332545 has 16 divisors (see below), whose sum is σ = 15714599040. Its totient is φ = 10322640000.

The previous prime is 12999332539. The next prime is 12999332587. The reversal of 12999332545 is 54523399921.

It is not a de Polignac number, because 12999332545 - 2⁷ = 12999332417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12999332492 and 12999332501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095645 + ... + 1107445.

It is an arithmetic number, because the mean of its divisors is an integer number (982162440).

Almost surely, 2^12999332545 is an apocalyptic number.

It is an amenable number.

12999332545 is a deficient number, since it is larger than the sum of its proper divisors (2715266495).

12999332545 is a wasteful number, since it uses less digits than its factorization.

12999332545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13416.

The product of its digits is 2624400, while the sum is 52.

The spelling of 12999332545 in words is "twelve billion, nine hundred ninety-nine million, three hundred thirty-two thousand, five hundred forty-five".