12212031982 has 4 divisors (see below), whose sum is σ = 18318047976. Its totient is φ = 6106015990.

The previous prime is 12212031971. The next prime is 12212032009. The reversal of 12212031982 is 28913021221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053007994 + ... + 3053007997.

It is an arithmetic number, because the mean of its divisors is an integer number (4579511994).

Almost surely, 2^12212031982 is an apocalyptic number.

12212031982 is a deficient number, since it is larger than the sum of its proper divisors (6106015994).

12212031982 is an equidigital number, since it uses as much as digits as its factorization.

12212031982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106015993.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12212031982 in words is "twelve billion, two hundred twelve million, thirty-one thousand, nine hundred eighty-two".