612650574972 has 96 divisors (see below), whose sum is σ = 1681997970240. Its totient is φ = 192179865600.

The previous prime is 612650574971. The next prime is 612650575003. The reversal of 612650574972 is 279475056216.

It is a happy number.

612650574972 is a `hidden beast` number, since 6 + 1 + 2 + 65 + 0 + 574 + 9 + 7 + 2 = 666.

612650574972 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612650574971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19447698 + ... + 19479174.

It is an arithmetic number, because the mean of its divisors is an integer number (17520812190).

Almost surely, 2^612650574972 is an apocalyptic number.

It is an amenable number.

612650574972 is an abundant number, since it is smaller than the sum of its proper divisors (1069347395268).

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

612650574972 is a wasteful number, since it uses less digits than its factorization.

612650574972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42108 (or 42100 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 612650574972 in words is "six hundred twelve billion, six hundred fifty million, five hundred seventy-four thousand, nine hundred seventy-two".