12672166899 has 32 divisors (see below), whose sum is σ = 19899302400. Its totient is φ = 7169484000.

The previous prime is 12672166883. The next prime is 12672166919. The reversal of 12672166899 is 99866127621.

It is not a de Polignac number, because 12672166899 - 2⁴ = 12672166883 is a prime.

It is a super-2 number, since 2×12672166899² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12672166879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42964 + ... + 164894.

It is an arithmetic number, because the mean of its divisors is an integer number (621853200).

Almost surely, 2^12672166899 is an apocalyptic number.

12672166899 is a deficient number, since it is larger than the sum of its proper divisors (7227135501).

12672166899 is a wasteful number, since it uses less digits than its factorization.

12672166899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122056 (or 122042 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The spelling of 12672166899 in words is "twelve billion, six hundred seventy-two million, one hundred sixty-six thousand, eight hundred ninety-nine".