612272575872 has 192 divisors, whose sum is σ = 1811177512560. Its totient is φ = 198390435840.

The previous prime is 612272575853. The next prime is 612272575877. The reversal of 612272575872 is 278575272216.

612272575872 is a `hidden beast` number, since 6 + 1 + 2 + 2 + 7 + 2 + 57 + 587 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612272575877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50332863 + ... + 50345025.

Almost surely, 2^612272575872 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 612272575872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905588756280).

612272575872 is an abundant number, since it is smaller than the sum of its proper divisors (1198904936688).

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

612272575872 is a wasteful number, since it uses less digits than its factorization.

612272575872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13401 (or 13386 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 612272575872 in words is "six hundred twelve billion, two hundred seventy-two million, five hundred seventy-five thousand, eight hundred seventy-two".