612536020672 has 14 divisors (see below), whose sum is σ = 1215501166148. Its totient is φ = 306268010304.

The previous prime is 612536020643. The next prime is 612536020717. The reversal of 612536020672 is 276020635216.

It is a super-2 number, since 2×612536020672² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4785437598 + ... + 4785437725.

Almost surely, 2^612536020672 is an apocalyptic number.

It is an amenable number.

612536020672 is a deficient number, since it is larger than the sum of its proper divisors (602965145476).

612536020672 is an equidigital number, since it uses as much as digits as its factorization.

612536020672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570875335 (or 9570875325 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 612536020672 its reverse (276020635216), we get a palindrome (888556655888).

The spelling of 612536020672 in words is "six hundred twelve billion, five hundred thirty-six million, twenty thousand, six hundred seventy-two".