12122112031 has 2 divisors, whose sum is σ = 12122112032. Its totient is φ = 12122112030.

The previous prime is 12122111993. The next prime is 12122112047. The reversal of 12122112031 is 13021122121.

It is an a-pointer prime, because the next prime (12122112047) can be obtained adding 12122112031 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122112031 - 2²⁵ = 12088557599 is a prime.

It is a super-2 number, since 2×12122112031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122111996 and 12122112014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122112061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061056015 + 6061056016.

It is an arithmetic number, because the mean of its divisors is an integer number (6061056016).

Almost surely, 2^12122112031 is an apocalyptic number.

12122112031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122112031 is an equidigital number, since it uses as much as digits as its factorization.

12122112031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12122112031 its reverse (13021122121), we get a palindrome (25143234152).

The spelling of 12122112031 in words is "twelve billion, one hundred twenty-two million, one hundred twelve thousand, thirty-one".