12272216625 has 48 divisors (see below), whose sum is σ = 22159712640. Its totient is φ = 6534237600.

The previous prime is 12272216599. The next prime is 12272216657. The reversal of 12272216625 is 52661227221.

12272216625 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 2 + 21 + 6 + 625 = 666.

It is not a de Polignac number, because 12272216625 - 2⁹ = 12272216113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12272216625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 687564 + ... + 705186.

It is an arithmetic number, because the mean of its divisors is an integer number (461660680).

Almost surely, 2^12272216625 is an apocalyptic number.

12272216625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12272216625 is a deficient number, since it is larger than the sum of its proper divisors (9887496015).

12272216625 is a wasteful number, since it uses less digits than its factorization.

12272216625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18263 (or 18250 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 12272216625 in words is "twelve billion, two hundred seventy-two million, two hundred sixteen thousand, six hundred twenty-five".