120012323831 has 2 divisors, whose sum is σ = 120012323832. Its totient is φ = 120012323830.

The previous prime is 120012323791. The next prime is 120012323833. The reversal of 120012323831 is 138323210021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120012323831 - 2¹⁴ = 120012307447 is a prime.

It is a super-2 number, since 2×120012323831² (a number of 23 digits) contains 22 as substring.

Together with 120012323833, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120012323831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012323833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006161915 + 60006161916.

It is an arithmetic number, because the mean of its divisors is an integer number (60006161916).

Almost surely, 2^120012323831 is an apocalyptic number.

120012323831 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012323831 is an equidigital number, since it uses as much as digits as its factorization.

120012323831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 120012323831 its reverse (138323210021), we get a palindrome (258335533852).

The spelling of 120012323831 in words is "one hundred twenty billion, twelve million, three hundred twenty-three thousand, eight hundred thirty-one".