12166336040512 has 28 divisors (see below), whose sum is σ = 24356224184076. Its totient is φ = 6029334671360.

The previous prime is 12166336040503. The next prime is 12166336040543. The reversal of 12166336040512 is 21504063366121.

It can be written as a sum of positive squares in 2 ways, for example, as 5043330181696 + 7123005858816 = 2245736^2 + 2668896^2 .

It is a super-2 number, since 2×12166336040512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841138789 + ... + 841153252.

Almost surely, 2^{12166336040512} is an apocalyptic number.

It is an amenable number.

12166336040512 is an abundant number, since it is smaller than the sum of its proper divisors (12189888143564).

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

12166336040512 is a wasteful number, since it uses less digits than its factorization.

12166336040512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682292166 (or 1682292156 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 12166336040512 in words is "twelve trillion, one hundred sixty-six billion, three hundred thirty-six million, forty thousand, five hundred twelve".