12132222223121 has 32 divisors (see below), whose sum is σ = 16326188540928. Its totient is φ = 8706774623040.

The previous prime is 12132222223097. The next prime is 12132222223183.

12132222223121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12132222223121 - 2²² = 12132218028817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12132222225121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13236131 + ... + 14123016.

It is an arithmetic number, because the mean of its divisors is an integer number (510193391904).

Almost surely, 2^{12132222223121} is an apocalyptic number.

12132222223121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12132222223121 is a deficient number, since it is larger than the sum of its proper divisors (4193966317807).

12132222223121 is a wasteful number, since it uses less digits than its factorization.

12132222223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27359621.

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 1213222 and 2223121, that added together give a palindrome (3436343).

The spelling of 12132222223121 in words is "twelve trillion, one hundred thirty-two billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-one".