63100621612 has 72 divisors (see below), whose sum is σ = 135311976240. Its totient is φ = 25601546880.

The previous prime is 63100621567. The next prime is 63100621643. The reversal of 63100621612 is 21612600136.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6031378 + ... + 6041830.

Almost surely, 2^63100621612 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 63100621612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67655988120).

63100621612 is an abundant number, since it is smaller than the sum of its proper divisors (72211354628).

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

63100621612 is a wasteful number, since it uses less digits than its factorization.

63100621612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111 (or 12102 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 63100621612 in words is "sixty-three billion, one hundred million, six hundred twenty-one thousand, six hundred twelve".