12222013123 has 8 divisors (see below), whose sum is σ = 12557889792. Its totient is φ = 11886428736.

The previous prime is 12222013103. The next prime is 12222013129. The reversal of 12222013123 is 32131022221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12222013123 - 2²⁹ = 11685142211 is a prime.

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 12222013123.

It is not an unprimeable number, because it can be changed into a prime (12222013129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13086 + ... + 156892.

It is an arithmetic number, because the mean of its divisors is an integer number (1569736224).

Almost surely, 2^12222013123 is an apocalyptic number.

12222013123 is a deficient number, since it is larger than the sum of its proper divisors (335876669).

12222013123 is a wasteful number, since it uses less digits than its factorization.

12222013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146141.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12222013123 its reverse (32131022221), we get a palindrome (44353035344).

The spelling of 12222013123 in words is "twelve billion, two hundred twenty-two million, thirteen thousand, one hundred twenty-three".