612422221025 has 12 divisors (see below), whose sum is σ = 799372162800. Its totient is φ = 464151577680.

The previous prime is 612422221007. The next prime is 612422221031. The reversal of 612422221025 is 520122224216.

It is a happy number.

It is not a de Polignac number, because 612422221025 - 2⁸ = 612422220769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 644654495 + ... + 644655444.

It is an arithmetic number, because the mean of its divisors is an integer number (66614346900).

Almost surely, 2^612422221025 is an apocalyptic number.

It is an amenable number.

612422221025 is a deficient number, since it is larger than the sum of its proper divisors (186949941775).

612422221025 is a wasteful number, since it uses less digits than its factorization.

612422221025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289309968 (or 1289309963 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 612422221025 in words is "six hundred twelve billion, four hundred twenty-two million, two hundred twenty-one thousand, twenty-five".