100542107212644 has 12 divisors (see below), whose sum is σ = 234598250162864. Its totient is φ = 33514035737544.

The previous prime is 100542107212639. The next prime is 100542107212669. The reversal of 100542107212644 is 446212701245001.

100542107212644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4189254467182 + ... + 4189254467205.

Almost surely, 2^{100542107212644} is an apocalyptic number.

It is an amenable number.

100542107212644 is an abundant number, since it is smaller than the sum of its proper divisors (134056142950220).

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

100542107212644 is a wasteful number, since it uses less digits than its factorization.

100542107212644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378508934394 (or 8378508934392 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

Adding to 100542107212644 its reverse (446212701245001), we get a palindrome (546754808457645).

The spelling of 100542107212644 in words is "one hundred trillion, five hundred forty-two billion, one hundred seven million, two hundred twelve thousand, six hundred forty-four".