12220222001123 has 4 divisors (see below), whose sum is σ = 12220701796608. Its totient is φ = 12219742205640.

The previous prime is 12220222001107. The next prime is 12220222001149. The reversal of 12220222001123 is 32110022202221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12220222001123 - 2⁴ = 12220222001107 is a prime.

It is a super-2 number, since 2×12220222001123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220222001095 and 12220222001104.

It is not an unprimeable number, because it can be changed into a prime (12220222000123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239859536 + ... + 239910477.

It is an arithmetic number, because the mean of its divisors is an integer number (3055175449152).

Almost surely, 2^{12220222001123} is an apocalyptic number.

12220222001123 is a deficient number, since it is larger than the sum of its proper divisors (479795485).

12220222001123 is an equidigital number, since it uses as much as digits as its factorization.

12220222001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479795484.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12220222001123 its reverse (32110022202221), we get a palindrome (44330244203344).

The spelling of 12220222001123 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, one thousand, one hundred twenty-three".