612478320060 has 48 divisors (see below), whose sum is σ = 1714975920000. Its totient is φ = 163324064064.

The previous prime is 612478319989. The next prime is 612478320061. The reversal of 612478320060 is 60023874216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612478320061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4010991 + ... + 4160889.

It is an arithmetic number, because the mean of its divisors is an integer number (35728665000).

Almost surely, 2^612478320060 is an apocalyptic number.

612478320060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612478320060 is an abundant number, since it is smaller than the sum of its proper divisors (1102497599940).

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

612478320060 is a wasteful number, since it uses less digits than its factorization.

612478320060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218010 (or 218008 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 612478320060 in words is "six hundred twelve billion, four hundred seventy-eight million, three hundred twenty thousand, sixty".