13032121232981 has 2 divisors, whose sum is σ = 13032121232982. Its totient is φ = 13032121232980.

The previous prime is 13032121232953. The next prime is 13032121233007. The reversal of 13032121232981 is 18923212123031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12633467900881 + 398653332100 = 3554359^2 + 631390^2 .

It is a cyclic number.

It is not a de Polignac number, because 13032121232981 - 2³⁰ = 13031047491157 is a prime.

It is a super-2 number, since 2×13032121232981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13032121231981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516060616490 + 6516060616491.

It is an arithmetic number, because the mean of its divisors is an integer number (6516060616491).

Almost surely, 2^{13032121232981} is an apocalyptic number.

It is an amenable number.

13032121232981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13032121232981 is an equidigital number, since it uses as much as digits as its factorization.

13032121232981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 13032121232981 in words is "thirteen trillion, thirty-two billion, one hundred twenty-one million, two hundred thirty-two thousand, nine hundred eighty-one".