12120023031331 has 2 divisors, whose sum is σ = 12120023031332. Its totient is φ = 12120023031330.

The previous prime is 12120023031307. The next prime is 12120023031371. The reversal of 12120023031331 is 13313032002121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120023031331 - 2⁵ = 12120023031299 is a prime.

It is a super-2 number, since 2×12120023031331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12120023031371) 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 as a sum of consecutive naturals, namely, 6060011515665 + 6060011515666.

It is an arithmetic number, because the mean of its divisors is an integer number (6060011515666).

Almost surely, 2^{12120023031331} is an apocalyptic number.

12120023031331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120023031331 is an equidigital number, since it uses as much as digits as its factorization.

12120023031331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12120023031331 its reverse (13313032002121), we get a palindrome (25433055033452).

The spelling of 12120023031331 in words is "twelve trillion, one hundred twenty billion, twenty-three million, thirty-one thousand, three hundred thirty-one".