5122133323981 has 2 divisors, whose sum is σ = 5122133323982. Its totient is φ = 5122133323980.

The previous prime is 5122133323939. The next prime is 5122133323997. The reversal of 5122133323981 is 1893233312215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4502395953225 + 619737370756 = 2121885^2 + 787234^2 .

It is a cyclic number.

It is not a de Polignac number, because 5122133323981 - 2²³ = 5122124935373 is a prime.

It is a super-2 number, since 2×5122133323981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5122133323921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561066661990 + 2561066661991.

It is an arithmetic number, because the mean of its divisors is an integer number (2561066661991).

Almost surely, 2^{5122133323981} is an apocalyptic number.

It is an amenable number.

5122133323981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122133323981 is an equidigital number, since it uses as much as digits as its factorization.

5122133323981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 43.

The spelling of 5122133323981 in words is "five trillion, one hundred twenty-two billion, one hundred thirty-three million, three hundred twenty-three thousand, nine hundred eighty-one".