100212001000009 has 4 divisors (see below), whose sum is σ = 102542512651216. Its totient is φ = 97881489348804.

The previous prime is 100212000999959. The next prime is 100212001000031. The reversal of 100212001000009 is 900000100212001.

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 100212001000009 - 2²⁷ = 100211866782281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100212000999956 and 100212001000001.

It is not an unprimeable number, because it can be changed into a prime (100212001000039) 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, 1165255825539 + ... + 1165255825624.

It is an arithmetic number, because the mean of its divisors is an integer number (25635628162804).

Almost surely, 2^{100212001000009} is an apocalyptic number.

It is an amenable number.

100212001000009 is a deficient number, since it is larger than the sum of its proper divisors (2330511651207).

100212001000009 is an equidigital number, since it uses as much as digits as its factorization.

100212001000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330511651206.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 100212001000009 in words is "one hundred trillion, two hundred twelve billion, one million, nine", and thus it is an aban number.