612133992072 has 64 divisors (see below), whose sum is σ = 1729192104000. Its totient is φ = 200586275712.

The previous prime is 612133992059. The next prime is 612133992091. The reversal of 612133992072 is 270299331216.

612133992072 is a `hidden beast` number, since 612 + 1 + 3 + 3 + 9 + 9 + 20 + 7 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24003813 + ... + 24029300.

It is an arithmetic number, because the mean of its divisors is an integer number (27018626625).

Almost surely, 2^612133992072 is an apocalyptic number.

It is an amenable number.

612133992072 is an abundant number, since it is smaller than the sum of its proper divisors (1117058111928).

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

612133992072 is a wasteful number, since it uses less digits than its factorization.

612133992072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48033187 (or 48033177 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 612133992072 in words is "six hundred twelve billion, one hundred thirty-three million, nine hundred ninety-two thousand, seventy-two".