100544043912 has 64 divisors (see below), whose sum is σ = 270761400000. Its totient is φ = 30929097984.

The previous prime is 100544043907. The next prime is 100544043961. The reversal of 100544043912 is 219340445001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319839 + ... + 1393937.

It is an arithmetic number, because the mean of its divisors is an integer number (4230646875).

Almost surely, 2^100544043912 is an apocalyptic number.

100544043912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100544043912 is an abundant number, since it is smaller than the sum of its proper divisors (170217356088).

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

100544043912 is a wasteful number, since it uses less digits than its factorization.

100544043912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78470 (or 78466 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 100544043912 its reverse (219340445001), we get a palindrome (319884488913).

The spelling of 100544043912 in words is "one hundred billion, five hundred forty-four million, forty-three thousand, nine hundred twelve".