12045975116916 has 96 divisors (see below), whose sum is σ = 31867506280960. Its totient is φ = 3510825462144.

The previous prime is 12045975116827. The next prime is 12045975116933. The reversal of 12045975116916 is 61961157954021.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18733455 + ... + 19365801.

Almost surely, 2^{12045975116916} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12045975116916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15933753140480).

12045975116916 is an abundant number, since it is smaller than the sum of its proper divisors (19821531164044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12045975116916 is a wasteful number, since it uses less digits than its factorization.

12045975116916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638813 (or 638811 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 57.

The spelling of 12045975116916 in words is "twelve trillion, forty-five billion, nine hundred seventy-five million, one hundred sixteen thousand, nine hundred sixteen".