12212372 has 12 divisors (see below), whose sum is σ = 21469056. Its totient is φ = 6078360.

The previous prime is 12212363. The next prime is 12212377. The reversal of 12212372 is 27321221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212377) by changing a digit.

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, 5954 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (1789088).

Almost surely, 2^12212372 is an apocalyptic number.

It is an amenable number.

12212372 is a deficient number, since it is larger than the sum of its proper divisors (9256684).

12212372 is a wasteful number, since it uses less digits than its factorization.

12212372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918 (or 13916 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 12212372 is about 3494.6204371863. The cubic root of 12212372 is about 230.2855432741.

Adding to 12212372 its reverse (27321221), we get a palindrome (39533593).

The spelling of 12212372 in words is "twelve million, two hundred twelve thousand, three hundred seventy-two".