612188343214756 has 144 divisors (see below), whose sum is σ = 1389375182764800. Its totient is φ = 233335243814400.

The previous prime is 612188343214751. The next prime is 612188343214759. The reversal of 612188343214756 is 657412343881216.

It is a super-2 number, since 2×612188343214756² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612188343214694 and 612188343214703.

It is not an unprimeable number, because it can be changed into a prime (612188343214751) 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, 2077896 + ... + 35052736.

It is an arithmetic number, because the mean of its divisors is an integer number (9648438769200).

Almost surely, 2^{612188343214756} 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 612188343214756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694687591382400).

612188343214756 is an abundant number, since it is smaller than the sum of its proper divisors (777186839550044).

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

612188343214756 is a wasteful number, since it uses less digits than its factorization.

612188343214756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32975058 (or 32975049 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 61.

The spelling of 612188343214756 in words is "six hundred twelve trillion, one hundred eighty-eight billion, three hundred forty-three million, two hundred fourteen thousand, seven hundred fifty-six".