100432012 has 6 divisors (see below), whose sum is σ = 175756028. Its totient is φ = 50216004.

The previous prime is 100432009. The next prime is 100432021. The reversal of 100432012 is 210234001.

It is a junction number, because it is equal to n+sod(n) for n = 100431983 and 100432001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12553998 + ... + 12554005.

Almost surely, 2^100432012 is an apocalyptic number.

It is an amenable number.

100432012 is a deficient number, since it is larger than the sum of its proper divisors (75324016).

100432012 is a wasteful number, since it uses less digits than its factorization.

100432012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25108007 (or 25108005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100432012 is about 10021.5773209610. The cubic root of 100432012 is about 464.8263304899.

Adding to 100432012 its reverse (210234001), we get a palindrome (310666013).

The spelling of 100432012 in words is "one hundred million, four hundred thirty-two thousand, twelve".