612520534720 has 56 divisors (see below), whose sum is σ = 1535331092400. Its totient is φ = 232113042432.

The previous prime is 612520534709. The next prime is 612520534727. The reversal of 612520534720 is 27435025216.

It is a self number, because there is not a number n which added to its sum of digits gives 612520534720.

It is not an unprimeable number, because it can be changed into a prime (612520534727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50365675 + ... + 50377834.

It is an arithmetic number, because the mean of its divisors is an integer number (27416626650).

Almost surely, 2^612520534720 is an apocalyptic number.

It is an amenable number.

612520534720 is an abundant number, since it is smaller than the sum of its proper divisors (922810557680).

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

612520534720 is a wasteful number, since it uses less digits than its factorization.

612520534720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100743545 (or 100743535 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 612520534720 its reverse (27435025216), we get a palindrome (639955559936).

It can be divided in two parts, 6125 and 20534720, that added together give a triangular number (20540845 = T₆₄₀₉).

The spelling of 612520534720 in words is "six hundred twelve billion, five hundred twenty million, five hundred thirty-four thousand, seven hundred twenty".