12208167387974 has 4 divisors (see below), whose sum is σ = 18312251081964. Its totient is φ = 6104083693986.

The previous prime is 12208167387937. The next prime is 12208167388003. The reversal of 12208167387974 is 47978376180221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12208167387974.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052041846992 + ... + 3052041846995.

It is an arithmetic number, because the mean of its divisors is an integer number (4578062770491).

Almost surely, 2^{12208167387974} is an apocalyptic number.

12208167387974 is a deficient number, since it is larger than the sum of its proper divisors (6104083693990).

12208167387974 is an equidigital number, since it uses as much as digits as its factorization.

12208167387974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104083693989.

The product of its (nonzero) digits is 56899584, while the sum is 65.

The spelling of 12208167387974 in words is "twelve trillion, two hundred eight billion, one hundred sixty-seven million, three hundred eighty-seven thousand, nine hundred seventy-four".