12166334240 has 48 divisors (see below), whose sum is σ = 30433734072. Its totient is φ = 4580265984.

The previous prime is 12166334237. The next prime is 12166334251. The reversal of 12166334240 is 4243366121.

It can be written as a sum of positive squares in 4 ways, for example, as 8851799056 + 3314535184 = 94084^2 + 57572^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 12166334197 and 12166334206.

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, 2233739 + ... + 2239178.

Almost surely, 2^12166334240 is an apocalyptic number.

12166334240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12166334240 is an abundant number, since it is smaller than the sum of its proper divisors (18267399832).

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

12166334240 is a wasteful number, since it uses less digits than its factorization.

12166334240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472949 (or 4472941 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 12166334240 in words is "twelve billion, one hundred sixty-six million, three hundred thirty-four thousand, two hundred forty".