12122892 has 24 divisors (see below), whose sum is σ = 31430000. Its totient is φ = 4040928.

The previous prime is 12122879. The next prime is 12122933. The reversal of 12122892 is 29822121.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 56017 + ... + 56232.

Almost surely, 2^12122892 is an apocalyptic number.

12122892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122892 is an abundant number, since it is smaller than the sum of its proper divisors (19307108).

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

12122892 is a wasteful number, since it uses less digits than its factorization.

12122892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112262 (or 112254 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 12122892 is about 3481.7943649791. The cubic root of 12122892 is about 229.7217302587.

The spelling of 12122892 in words is "twelve million, one hundred twenty-two thousand, eight hundred ninety-two".