12122121033031 has 2 divisors, whose sum is σ = 12122121033032. Its totient is φ = 12122121033030.

The previous prime is 12122121033019. The next prime is 12122121033109. The reversal of 12122121033031 is 13033012122121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122121033031 - 2²³ = 12122112644423 is a prime.

It is a super-2 number, since 2×12122121033031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122121032993 and 12122121033011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122121033931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061060516515 + 6061060516516.

It is an arithmetic number, because the mean of its divisors is an integer number (6061060516516).

Almost surely, 2^{12122121033031} is an apocalyptic number.

12122121033031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122121033031 is an equidigital number, since it uses as much as digits as its factorization.

12122121033031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12122121033031 its reverse (13033012122121), we get a palindrome (25155133155152).

The spelling of 12122121033031 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, thirty-three thousand, thirty-one".