612876738972 has 12 divisors (see below), whose sum is σ = 1430045724296. Its totient is φ = 204292246320.

The previous prime is 612876738967. The next prime is 612876738973. The reversal of 612876738972 is 279837678216.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×612876738972⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612876738973) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25536530779 + ... + 25536530802.

Almost surely, 2^612876738972 is an apocalyptic number.

It is an amenable number.

612876738972 is an abundant number, since it is smaller than the sum of its proper divisors (817168985324).

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

612876738972 is a wasteful number, since it uses less digits than its factorization.

612876738972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51073061588 (or 51073061586 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 66.

The spelling of 612876738972 in words is "six hundred twelve billion, eight hundred seventy-six million, seven hundred thirty-eight thousand, nine hundred seventy-two".