12120323032131 has 4 divisors (see below), whose sum is σ = 16160430709512. Its totient is φ = 8080215354752.

The previous prime is 12120323032091. The next prime is 12120323032133. The reversal of 12120323032131 is 13123032302121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120323032131 - 2⁷ = 12120323032003 is a prime.

It is a super-2 number, since 2×12120323032131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12120323032133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020053838686 + ... + 2020053838691.

It is an arithmetic number, because the mean of its divisors is an integer number (4040107677378).

Almost surely, 2^{12120323032131} is an apocalyptic number.

12120323032131 is a deficient number, since it is larger than the sum of its proper divisors (4040107677381).

12120323032131 is an equidigital number, since it uses as much as digits as its factorization.

12120323032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040107677380.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12120323032131 its reverse (13123032302121), we get a palindrome (25243355334252).

The spelling of 12120323032131 in words is "twelve trillion, one hundred twenty billion, three hundred twenty-three million, thirty-two thousand, one hundred thirty-one".