612354312 has 48 divisors (see below), whose sum is σ = 1660171500. Its totient is φ = 203907456.

The previous prime is 612354293. The next prime is 612354317. The reversal of 612354312 is 213453216.

612354312 is a `hidden beast` number, since 612 + 3 + 5 + 43 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 610781796 + 1572516 = 24714^2 + 1254^2 .

It is not an unprimeable number, because it can be changed into a prime (612354317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76014 + ... + 83682.

Almost surely, 2^612354312 is an apocalyptic number.

It is an amenable number.

612354312 is an abundant number, since it is smaller than the sum of its proper divisors (1047817188).

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

612354312 is a wasteful number, since it uses less digits than its factorization.

612354312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8790 (or 8783 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 612354312 is about 24745.7938244058. The cubic root of 612354312 is about 849.1822871873.

The spelling of 612354312 in words is "six hundred twelve million, three hundred fifty-four thousand, three hundred twelve".