100120032032 has 24 divisors (see below), whose sum is σ = 197118967500. Its totient is φ = 50058072064.

The previous prime is 100120032029. The next prime is 100120032037. The reversal of 100120032032 is 230230021001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81154335376 + 18965696656 = 284876^2 + 137716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100120031998 and 100120032016.

It is not an unprimeable number, because it can be changed into a prime (100120032037) 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, 1143344 + ... + 1227792.

Almost surely, 2^100120032032 is an apocalyptic number.

It is an amenable number.

100120032032 is a deficient number, since it is larger than the sum of its proper divisors (96998935468).

100120032032 is an equidigital number, since it uses as much as digits as its factorization.

100120032032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121508 (or 121500 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100120032032 its reverse (230230021001), we get a palindrome (330350053033).

The spelling of 100120032032 in words is "one hundred billion, one hundred twenty million, thirty-two thousand, thirty-two".