612231036774912 has 480 divisors, whose sum is σ = 1995806822866560. Its totient is φ = 184930164080640.

The previous prime is 612231036774883. The next prime is 612231036774913. The reversal of 612231036774912 is 219477630132216.

612231036774912 is a `hidden beast` number, since 6 + 1 + 2 + 231 + 0 + 367 + 7 + 49 + 1 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (612231036774913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112113712 + ... + 117447632.

It is an arithmetic number, because the mean of its divisors is an integer number (4157930880972).

Almost surely, 2^{612231036774912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612231036774912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997903411433280).

612231036774912 is an abundant number, since it is smaller than the sum of its proper divisors (1383575786091648).

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

612231036774912 is a wasteful number, since it uses less digits than its factorization.

612231036774912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334009 (or 5333968 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 612231036774912 in words is "six hundred twelve trillion, two hundred thirty-one billion, thirty-six million, seven hundred seventy-four thousand, nine hundred twelve".