120012322831 has 2 divisors, whose sum is σ = 120012322832. Its totient is φ = 120012322830.

The previous prime is 120012322823. The next prime is 120012322889. The reversal of 120012322831 is 138223210021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120012322831 - 2³ = 120012322823 is a prime.

It is a super-2 number, since 2×120012322831² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120012322796 and 120012322805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012323831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006161415 + 60006161416.

It is an arithmetic number, because the mean of its divisors is an integer number (60006161416).

Almost surely, 2^120012322831 is an apocalyptic number.

120012322831 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012322831 is an equidigital number, since it uses as much as digits as its factorization.

120012322831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 120012322831 its reverse (138223210021), we get a palindrome (258235532852).

The spelling of 120012322831 in words is "one hundred twenty billion, twelve million, three hundred twenty-two thousand, eight hundred thirty-one".