212222002209 has 32 divisors (see below), whose sum is σ = 334634311680. Its totient is φ = 117070704000.

The previous prime is 212222002207. The next prime is 212222002241. The reversal of 212222002209 is 902200222212.

It is not a de Polignac number, because 212222002209 - 2¹ = 212222002207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212222002207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132267 + ... + 664784.

It is an arithmetic number, because the mean of its divisors is an integer number (10457322240).

Almost surely, 2^212222002209 is an apocalyptic number.

It is an amenable number.

212222002209 is a deficient number, since it is larger than the sum of its proper divisors (122412309471).

212222002209 is a wasteful number, since it uses less digits than its factorization.

212222002209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797501.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 212222002209 in words is "two hundred twelve billion, two hundred twenty-two million, two thousand, two hundred nine".