12166653312 has 96 divisors (see below), whose sum is σ = 38193653160. Its totient is φ = 3686860800.

The previous prime is 12166653293. The next prime is 12166653383. The reversal of 12166653312 is 21335666121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467389 + ... + 492732.

Almost surely, 2^12166653312 is an apocalyptic number.

12166653312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12166653312 is an abundant number, since it is smaller than the sum of its proper divisors (26026999848).

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

12166653312 is a wasteful number, since it uses less digits than its factorization.

12166653312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960152 (or 960137 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 12166653312 in words is "twelve billion, one hundred sixty-six million, six hundred fifty-three thousand, three hundred twelve".