12332220121 has 8 divisors (see below), whose sum is σ = 14062079304. Its totient is φ = 10713964800.

The previous prime is 12332220097. The next prime is 12332220127. The reversal of 12332220121 is 12102223321.

It can be written as a sum of positive squares in 4 ways, for example, as 638825625 + 11693394496 = 25275^2 + 108136^2 .

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 12332220121 - 2¹⁵ = 12332187353 is a prime.

It is a super-2 number, since 2×12332220121² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12332220127) 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, 27900730 + ... + 27901171.

It is an arithmetic number, because the mean of its divisors is an integer number (1757759913).

Almost surely, 2^12332220121 is an apocalyptic number.

It is an amenable number.

12332220121 is a deficient number, since it is larger than the sum of its proper divisors (1729859183).

12332220121 is a wasteful number, since it uses less digits than its factorization.

12332220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55801931.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12332220121 its reverse (12102223321), we get a palindrome (24434443442).

The spelling of 12332220121 in words is "twelve billion, three hundred thirty-two million, two hundred twenty thousand, one hundred twenty-one".