13123110999999 has 64 divisors (see below), whose sum is σ = 23493940743168. Its totient is φ = 6292581120000.

The previous prime is 13123110999967. The next prime is 13123111000033. The reversal of 13123110999999 is 99999901132131.

It is not a de Polignac number, because 13123110999999 - 2⁵ = 13123110999967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123110959999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115056999 + ... + 115170999.

It is an arithmetic number, because the mean of its divisors is an integer number (367092824112).

Almost surely, 2^{13123110999999} is an apocalyptic number.

13123110999999 is a deficient number, since it is larger than the sum of its proper divisors (10370829743169).

13123110999999 is a wasteful number, since it uses less digits than its factorization.

13123110999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152368.

The product of its (nonzero) digits is 9565938, while the sum is 66.

The spelling of 13123110999999 in words is "thirteen trillion, one hundred twenty-three billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred ninety-nine".