100212210121209 has 8 divisors (see below), whose sum is σ = 133758274086912. Its totient is φ = 66737143118160.

The previous prime is 100212210121181. The next prime is 100212210121223. The reversal of 100212210121209 is 902121012212001.

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

It is not a de Polignac number, because 100212210121209 - 2⁷ = 100212210121081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100212210121259) 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, 17749237369 + ... + 17749243014.

It is an arithmetic number, because the mean of its divisors is an integer number (16719784260864).

Almost surely, 2^{100212210121209} is an apocalyptic number.

It is an amenable number.

100212210121209 is a deficient number, since it is larger than the sum of its proper divisors (33546063965703).

100212210121209 is an equidigital number, since it uses as much as digits as its factorization.

100212210121209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35498481327.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 100212210121209 in words is "one hundred trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, two hundred nine".