12220111111123 has 8 divisors (see below), whose sum is σ = 12242415390192. Its totient is φ = 12197810727936.

The previous prime is 12220111111073. The next prime is 12220111111157. The reversal of 12220111111123 is 32111111102221.

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 12220111111123 - 2³³ = 12211521176531 is a prime.

It is a super-2 number, since 2×12220111111123² (a number of 27 digits) 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 12220111111123.

It is not an unprimeable number, because it can be changed into a prime (12220111111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5342436 + ... + 7278862.

It is an arithmetic number, because the mean of its divisors is an integer number (1530301923774).

Almost surely, 2^{12220111111123} is an apocalyptic number.

12220111111123 is a deficient number, since it is larger than the sum of its proper divisors (22304279069).

12220111111123 is a wasteful number, since it uses less digits than its factorization.

12220111111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947941.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 12220111111123 its reverse (32111111102221), we get a palindrome (44331222213344).

The spelling of 12220111111123 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-three".