12222122013 has 12 divisors (see below), whose sum is σ = 17655457248. Its totient is φ = 8147490120.

The previous prime is 12222121999. The next prime is 12222122021. The reversal of 12222122013 is 31022122221.

It is not a de Polignac number, because 12222122013 - 2⁵ = 12222121981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222122023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108118 + ... + 190088.

It is an arithmetic number, because the mean of its divisors is an integer number (1471288104).

Almost surely, 2^12222122013 is an apocalyptic number.

It is an amenable number.

12222122013 is a deficient number, since it is larger than the sum of its proper divisors (5433335235).

12222122013 is a wasteful number, since it uses less digits than its factorization.

12222122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98544 (or 98541 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12222122013 its reverse (31022122221), we get a palindrome (43244244234).

The spelling of 12222122013 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, thirteen".