100421403312 has 20 divisors (see below), whose sum is σ = 259421958680. Its totient is φ = 33473801088.

The previous prime is 100421403289. The next prime is 100421403331. The reversal of 100421403312 is 213304124001.

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, 1046056237 + ... + 1046056332.

It is an arithmetic number, because the mean of its divisors is an integer number (12971097934).

Almost surely, 2^100421403312 is an apocalyptic number.

100421403312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100421403312 is an abundant number, since it is smaller than the sum of its proper divisors (159000555368).

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

100421403312 is a wasteful number, since it uses less digits than its factorization.

100421403312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092112580 (or 2092112574 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100421403312 its reverse (213304124001), we get a palindrome (313725527313).

The spelling of 100421403312 in words is "one hundred billion, four hundred twenty-one million, four hundred three thousand, three hundred twelve".