100120321032 has 32 divisors (see below), whose sum is σ = 250344372480. Its totient is φ = 33367631040.

The previous prime is 100120321013. The next prime is 100120321043. The reversal of 100120321032 is 230123021001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221203 + ... + 499170.

It is an arithmetic number, because the mean of its divisors is an integer number (7823261640).

Almost surely, 2^100120321032 is an apocalyptic number.

100120321032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100120321032 is an abundant number, since it is smaller than the sum of its proper divisors (150224051448).

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

100120321032 is a wasteful number, since it uses less digits than its factorization.

100120321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726173 (or 726169 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100120321032 its reverse (230123021001), we get a palindrome (330243342033).

The spelling of 100120321032 in words is "one hundred billion, one hundred twenty million, three hundred twenty-one thousand, thirty-two".