2122012219 has 4 divisors (see below), whose sum is σ = 2122291296. Its totient is φ = 2121733144.

The previous prime is 2122012213. The next prime is 2122012229. The reversal of 2122012219 is 9122102212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122012219 is a prime.

It is a super-2 number, since 2×2122012219² = 9005871715170607922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122012219.

It is not an unprimeable number, because it can be changed into a prime (2122012213) 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, 127804 + ... + 143449.

It is an arithmetic number, because the mean of its divisors is an integer number (530572824).

Almost surely, 2^2122012219 is an apocalyptic number.

2122012219 is a deficient number, since it is larger than the sum of its proper divisors (279077).

2122012219 is an equidigital number, since it uses as much as digits as its factorization.

2122012219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279076.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2122012219 is about 46065.3038522487. The cubic root of 2122012219 is about 1285.0379694756.

The spelling of 2122012219 in words is "two billion, one hundred twenty-two million, twelve thousand, two hundred nineteen".