100054212500 has 72 divisors (see below), whose sum is σ = 238750781472. Its totient is φ = 36383300000.

The previous prime is 100054212497. The next prime is 100054212539. The reversal of 100054212500 is 5212450001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226334 + ... + 501333.

It is an arithmetic number, because the mean of its divisors is an integer number (3315983076).

Almost surely, 2^100054212500 is an apocalyptic number.

100054212500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100054212500 is an abundant number, since it is smaller than the sum of its proper divisors (138696568972).

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

100054212500 is an equidigital number, since it uses as much as digits as its factorization.

100054212500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727707 (or 727685 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 100054212500 its reverse (5212450001), we get a palindrome (105266662501).

The spelling of 100054212500 in words is "one hundred billion, fifty-four million, two hundred twelve thousand, five hundred".