612605612 has 12 divisors (see below), whose sum is σ = 1076509896. Its totient is φ = 305031360.

The previous prime is 612605597. The next prime is 612605627. The reversal of 612605612 is 216506216.

It is an interprime number because it is at equal distance from previous prime (612605597) and next prime (612605627).

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316778 + ... + 318705.

It is an arithmetic number, because the mean of its divisors is an integer number (89709158).

Almost surely, 2^612605612 is an apocalyptic number.

It is an amenable number.

612605612 is a deficient number, since it is larger than the sum of its proper divisors (463904284).

612605612 is a wasteful number, since it uses less digits than its factorization.

612605612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635728 (or 635726 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 612605612 is about 24750.8709341712. The cubic root of 612605612 is about 849.2984347179.

The spelling of 612605612 in words is "six hundred twelve million, six hundred five thousand, six hundred twelve".