12021122302231 has 8 divisors (see below), whose sum is σ = 13751881349024. Its totient is φ = 10293727220640.

The previous prime is 12021122302169. The next prime is 12021122302261. The reversal of 12021122302231 is 13220322112021.

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 12021122302231 - 2⁹ = 12021122301719 is a prime.

It is a super-2 number, since 2×12021122302231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021122302261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840983640 + ... + 840997933.

It is an arithmetic number, because the mean of its divisors is an integer number (1718985168628).

Almost surely, 2^{12021122302231} is an apocalyptic number.

12021122302231 is a deficient number, since it is larger than the sum of its proper divisors (1730759046793).

12021122302231 is a wasteful number, since it uses less digits than its factorization.

12021122302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681982601.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12021122302231 its reverse (13220322112021), we get a palindrome (25241444414252).

The spelling of 12021122302231 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, three hundred two thousand, two hundred thirty-one".