12212492 has 12 divisors (see below), whose sum is σ = 21691320. Its totient is φ = 6014976.

The previous prime is 12212483. The next prime is 12212503. The reversal of 12212492 is 29421221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22517 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (1807610).

Almost surely, 2^12212492 is an apocalyptic number.

It is an amenable number.

12212492 is a deficient number, since it is larger than the sum of its proper divisors (9478828).

12212492 is a wasteful number, since it uses less digits than its factorization.

12212492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45640 (or 45638 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 12212492 is about 3494.6376063907. The cubic root of 12212492 is about 230.2862975413.

The spelling of 12212492 in words is "twelve million, two hundred twelve thousand, four hundred ninety-two".