100412000021 has 8 divisors (see below), whose sum is σ = 102515771904. Its totient is φ = 98322991920.

The previous prime is 100411999999. The next prime is 100412000057. The reversal of 100412000021 is 120000214001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100412000021 - 2³⁴ = 83232130837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100411999966 and 100412000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100412000081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3677201 + ... + 3704406.

It is an arithmetic number, because the mean of its divisors is an integer number (12814471488).

Almost surely, 2^100412000021 is an apocalyptic number.

It is an amenable number.

100412000021 is a deficient number, since it is larger than the sum of its proper divisors (2103771883).

100412000021 is an equidigital number, since it uses as much as digits as its factorization.

100412000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381891.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100412000021 its reverse (120000214001), we get a palindrome (220412214022).

The spelling of 100412000021 in words is "one hundred billion, four hundred twelve million, twenty-one", and thus it is an aban number.