12223140022121 has 64 divisors (see below), whose sum is σ = 15761881497600. Its totient is φ = 9235466989056.

The previous prime is 12223140022111. The next prime is 12223140022139. The reversal of 12223140022121 is 12122004132221.

It is not a de Polignac number, because 12223140022121 - 2²⁶ = 12223072913257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (12223140022111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 760468541 + ... + 760484613.

It is an arithmetic number, because the mean of its divisors is an integer number (246279398400).

Almost surely, 2^{12223140022121} is an apocalyptic number.

It is an amenable number.

12223140022121 is a deficient number, since it is larger than the sum of its proper divisors (3538741475479).

12223140022121 is a wasteful number, since it uses less digits than its factorization.

12223140022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22878.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12223140022121 its reverse (12122004132221), we get a palindrome (24345144154342).

The spelling of 12223140022121 in words is "twelve trillion, two hundred twenty-three billion, one hundred forty million, twenty-two thousand, one hundred twenty-one".