12166470500 has 24 divisors (see below), whose sum is σ = 26571572664. Its totient is φ = 4866588000.

The previous prime is 12166470493. The next prime is 12166470527. The reversal of 12166470500 is 507466121.

It can be written as a sum of positive squares in 4 ways, for example, as 301161316 + 11865309184 = 17354^2 + 108928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12165971 + ... + 12166970.

It is an arithmetic number, because the mean of its divisors is an integer number (1107148861).

Almost surely, 2^12166470500 is an apocalyptic number.

12166470500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12166470500 is an abundant number, since it is smaller than the sum of its proper divisors (14405102164).

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

12166470500 is a wasteful number, since it uses less digits than its factorization.

12166470500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24332960 (or 24332948 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 12166470500 in words is "twelve billion, one hundred sixty-six million, four hundred seventy thousand, five hundred".