100412032021 has 4 divisors (see below), whose sum is σ = 114756608032. Its totient is φ = 86067456012.

The previous prime is 100412032009. The next prime is 100412032037. The reversal of 100412032021 is 120230214001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100412032021 - 2⁹ = 100412031509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100412031986 and 100412032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100412032081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172287995 + ... + 7172288008.

It is an arithmetic number, because the mean of its divisors is an integer number (28689152008).

Almost surely, 2^100412032021 is an apocalyptic number.

It is an amenable number.

100412032021 is a deficient number, since it is larger than the sum of its proper divisors (14344576011).

100412032021 is an equidigital number, since it uses as much as digits as its factorization.

100412032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14344576010.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100412032021 its reverse (120230214001), we get a palindrome (220642246022).

The spelling of 100412032021 in words is "one hundred billion, four hundred twelve million, thirty-two thousand, twenty-one".