100342421232 has 20 divisors (see below), whose sum is σ = 259217921640. Its totient is φ = 33447473728.

The previous prime is 100342421213. The next prime is 100342421233. The reversal of 100342421232 is 232124243001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100342421233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045233507 + ... + 1045233602.

It is an arithmetic number, because the mean of its divisors is an integer number (12960896082).

Almost surely, 2^100342421232 is an apocalyptic number.

100342421232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100342421232 is an abundant number, since it is smaller than the sum of its proper divisors (158875500408).

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

100342421232 is a wasteful number, since it uses less digits than its factorization.

100342421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090467120 (or 2090467114 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 100342421232 its reverse (232124243001), we get a palindrome (332466664233).

The spelling of 100342421232 in words is "one hundred billion, three hundred forty-two million, four hundred twenty-one thousand, two hundred thirty-two".