12223311123 has 16 divisors (see below), whose sum is σ = 16886534400. Its totient is φ = 7855374240.

The previous prime is 12223311119. The next prime is 12223311127. The reversal of 12223311123 is 32111332221.

It is an interprime number because it is at equal distance from previous prime (12223311119) and next prime (12223311127).

It is not a de Polignac number, because 12223311123 - 2² = 12223311119 is a prime.

It is a super-2 number, since 2×12223311123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12223311123.

It is not an unprimeable number, because it can be changed into a prime (12223311127) 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, 56433 + ... + 166226.

It is an arithmetic number, because the mean of its divisors is an integer number (1055408400).

Almost surely, 2^12223311123 is an apocalyptic number.

12223311123 is a deficient number, since it is larger than the sum of its proper divisors (4663223277).

12223311123 is a wasteful number, since it uses less digits than its factorization.

12223311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223322.

The product of its digits is 432, while the sum is 21.

Adding to 12223311123 its reverse (32111332221), we get a palindrome (44334643344).

The spelling of 12223311123 in words is "twelve billion, two hundred twenty-three million, three hundred eleven thousand, one hundred twenty-three".