12212112219 has 16 divisors (see below), whose sum is σ = 16728460320. Its totient is φ = 7918732800.

The previous prime is 12212112181. The next prime is 12212112233. The reversal of 12212112219 is 91221121221.

It is not a de Polignac number, because 12212112219 - 2⁷ = 12212112091 is a prime.

It is a super-2 number, since 2×12212112219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212112259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349747 + ... + 383075.

It is an arithmetic number, because the mean of its divisors is an integer number (1045528770).

Almost surely, 2^12212112219 is an apocalyptic number.

12212112219 is a deficient number, since it is larger than the sum of its proper divisors (4516348101).

12212112219 is a wasteful number, since it uses less digits than its factorization.

12212112219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36670.

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

The spelling of 12212112219 in words is "twelve billion, two hundred twelve million, one hundred twelve thousand, two hundred nineteen".