12100992 has 32 divisors (see below), whose sum is σ = 32144280. Its totient is φ = 4033536.

The previous prime is 12100973. The next prime is 12100993. The reversal of 12100992 is 29900121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15373 + ... + 16140.

Almost surely, 2^12100992 is an apocalyptic number.

12100992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12100992 is an abundant number, since it is smaller than the sum of its proper divisors (20043288).

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

12100992 is an equidigital number, since it uses as much as digits as its factorization.

12100992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31530 (or 31518 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 12100992 is about 3478.6480132373. The cubic root of 12100992 is about 229.5833161361.

The spelling of 12100992 in words is "twelve million, one hundred thousand, nine hundred ninety-two".