232012133133721 has 2 divisors, whose sum is σ = 232012133133722. Its totient is φ = 232012133133720.

The previous prime is 232012133133679. The next prime is 232012133133751. The reversal of 232012133133721 is 127331331210232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221580938504025 + 10431194629696 = 14885595^2 + 3229736^2 .

It is a cyclic number.

It is not a de Polignac number, because 232012133133721 - 2²³ = 232012124745113 is a prime.

It is not a weakly prime, because it can be changed into another prime (232012133133751) 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, 116006066566860 + 116006066566861.

It is an arithmetic number, because the mean of its divisors is an integer number (116006066566861).

Almost surely, 2^{232012133133721} is an apocalyptic number.

It is an amenable number.

232012133133721 is a deficient number, since it is larger than the sum of its proper divisors (1).

232012133133721 is an equidigital number, since it uses as much as digits as its factorization.

232012133133721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

Adding to 232012133133721 its reverse (127331331210232), we get a palindrome (359343464343953).

The spelling of 232012133133721 in words is "two hundred thirty-two trillion, twelve billion, one hundred thirty-three million, one hundred thirty-three thousand, seven hundred twenty-one".