212312012012131 has 2 divisors, whose sum is σ = 212312012012132. Its totient is φ = 212312012012130.

The previous prime is 212312012012099. The next prime is 212312012012153. The reversal of 212312012012131 is 131210210213212.

It is a happy number.

It is an a-pointer prime, because the next prime (212312012012153) can be obtained adding 212312012012131 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212312012012131 - 2⁵ = 212312012012099 is a prime.

It is a super-2 number, since 2×212312012012131² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212312012012431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106156006006065 + 106156006006066.

It is an arithmetic number, because the mean of its divisors is an integer number (106156006006066).

Almost surely, 2^{212312012012131} is an apocalyptic number.

212312012012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212312012012131 is an equidigital number, since it uses as much as digits as its factorization.

212312012012131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212312012012131 its reverse (131210210213212), we get a palindrome (343522222225343).

The spelling of 212312012012131 in words is "two hundred twelve trillion, three hundred twelve billion, twelve million, twelve thousand, one hundred thirty-one".