612530227717572 has 24 divisors (see below), whose sum is σ = 1429256218824000. Its totient is φ = 204174025313056.

The previous prime is 612530227717561. The next prime is 612530227717579. The reversal of 612530227717572 is 275717722035216.

It is a super-2 number, since 2×612530227717572² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612530227717579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338718072 + ... + 340521647.

It is an arithmetic number, because the mean of its divisors is an integer number (59552342451000).

Almost surely, 2^{612530227717572} is an apocalyptic number.

It is an amenable number.

612530227717572 is an abundant number, since it is smaller than the sum of its proper divisors (816725991106428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612530227717572 is a wasteful number, since it uses less digits than its factorization.

612530227717572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679314875 (or 679314873 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 57.

The spelling of 612530227717572 in words is "six hundred twelve trillion, five hundred thirty billion, two hundred twenty-seven million, seven hundred seventeen thousand, five hundred seventy-two".