2212130312009 has 4 divisors (see below), whose sum is σ = 2308309890816. Its totient is φ = 2115950733204.

The previous prime is 2212130311987. The next prime is 2212130312027. The reversal of 2212130312009 is 9002130312122.

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 2212130312009 - 2²⁰ = 2212129263433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212130312099) 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, 48089789369 + ... + 48089789414.

It is an arithmetic number, because the mean of its divisors is an integer number (577077472704).

Almost surely, 2^{2212130312009} is an apocalyptic number.

It is an amenable number.

2212130312009 is a deficient number, since it is larger than the sum of its proper divisors (96179578807).

2212130312009 is an equidigital number, since it uses as much as digits as its factorization.

2212130312009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96179578806.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 2212130312009 in words is "two trillion, two hundred twelve billion, one hundred thirty million, three hundred twelve thousand, nine".