13123201222999 has 16 divisors (see below), whose sum is σ = 15009984557568. Its totient is φ = 11239430140512.

The previous prime is 13123201222973. The next prime is 13123201223029. The reversal of 13123201222999 is 99922210232131.

It is not a de Polignac number, because 13123201222999 - 2¹⁹ = 13123200698711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123201222939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75894589 + ... + 76067305.

It is an arithmetic number, because the mean of its divisors is an integer number (938124034848).

Almost surely, 2^{13123201222999} is an apocalyptic number.

13123201222999 is a deficient number, since it is larger than the sum of its proper divisors (1886783334569).

13123201222999 is a wasteful number, since it uses less digits than its factorization.

13123201222999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181374.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 13123201222999 in words is "thirteen trillion, one hundred twenty-three billion, two hundred one million, two hundred twenty-two thousand, nine hundred ninety-nine".