612553061200 has 60 divisors (see below), whose sum is σ = 1549114471360. Its totient is φ = 232125367680.

The previous prime is 612553061191. The next prime is 612553061203. The reversal of 612553061200 is 2160355216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612553061203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40291944 + ... + 40307143.

Almost surely, 2^612553061200 is an apocalyptic number.

It is an amenable number.

612553061200 is an abundant number, since it is smaller than the sum of its proper divisors (936561410160).

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

612553061200 is a wasteful number, since it uses less digits than its factorization.

612553061200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80599124 (or 80599113 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 612553061200 in words is "six hundred twelve billion, five hundred fifty-three million, sixty-one thousand, two hundred".