13232213012981 has 2 divisors, whose sum is σ = 13232213012982. Its totient is φ = 13232213012980.

The previous prime is 13232213012969. The next prime is 13232213013043. The reversal of 13232213012981 is 18921031223231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12438029044081 + 794183968900 = 3526759^2 + 891170^2 .

It is a cyclic number.

It is not a de Polignac number, because 13232213012981 - 2⁴² = 8834166501877 is a prime.

It is a super-2 number, since 2×13232213012981² (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 (13232210012981) 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, 6616106506490 + 6616106506491.

It is an arithmetic number, because the mean of its divisors is an integer number (6616106506491).

Almost surely, 2^{13232213012981} is an apocalyptic number.

It is an amenable number.

13232213012981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232213012981 is an equidigital number, since it uses as much as digits as its factorization.

13232213012981 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 13232213012981 in words is "thirteen trillion, two hundred thirty-two billion, two hundred thirteen million, twelve thousand, nine hundred eighty-one".