100612321544 has 16 divisors (see below), whose sum is σ = 215597832000. Its totient is φ = 43119566352.

The previous prime is 100612321531. The next prime is 100612321627. The reversal of 100612321544 is 445123216001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898324244 + ... + 898324355.

It is an arithmetic number, because the mean of its divisors is an integer number (13474864500).

Almost surely, 2^100612321544 is an apocalyptic number.

100612321544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100612321544 is an abundant number, since it is smaller than the sum of its proper divisors (114985510456).

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

100612321544 is a wasteful number, since it uses less digits than its factorization.

100612321544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796648612 (or 1796648608 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 100612321544 its reverse (445123216001), we get a palindrome (545735537545).

The spelling of 100612321544 in words is "one hundred billion, six hundred twelve million, three hundred twenty-one thousand, five hundred forty-four".