121313231123222 has 8 divisors (see below), whose sum is σ = 188244668984400. Its totient is φ = 58565008128424.

The previous prime is 121313231123219. The next prime is 121313231123239. The reversal of 121313231123222 is 222321132313121.

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

It is a super-2 number, since 2×121313231123222² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045803716522 + ... + 1045803716637.

It is an arithmetic number, because the mean of its divisors is an integer number (23530583623050).

Almost surely, 2^{121313231123222} is an apocalyptic number.

121313231123222 is a deficient number, since it is larger than the sum of its proper divisors (66931437861178).

121313231123222 is a wasteful number, since it uses less digits than its factorization.

121313231123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091607433190.

The product of its digits is 5184, while the sum is 29.

Adding to 121313231123222 its reverse (222321132313121), we get a palindrome (343634363436343).

The spelling of 121313231123222 in words is "one hundred twenty-one trillion, three hundred thirteen billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred twenty-two".