12001233203131 has 2 divisors, whose sum is σ = 12001233203132. Its totient is φ = 12001233203130.

The previous prime is 12001233203123. The next prime is 12001233203137. The reversal of 12001233203131 is 13130233210021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001233203131 - 2³ = 12001233203123 is a prime.

It is a super-2 number, since 2×12001233203131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12001233203137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000616601565 + 6000616601566.

It is an arithmetic number, because the mean of its divisors is an integer number (6000616601566).

Almost surely, 2^{12001233203131} is an apocalyptic number.

12001233203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001233203131 is an equidigital number, since it uses as much as digits as its factorization.

12001233203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12001233203131 its reverse (13130233210021), we get a palindrome (25131466413152).

The spelling of 12001233203131 in words is "twelve trillion, one billion, two hundred thirty-three million, two hundred three thousand, one hundred thirty-one".