1232017916081 has 2 divisors, whose sum is σ = 1232017916082. Its totient is φ = 1232017916080.

The previous prime is 1232017916039. The next prime is 1232017916117. The reversal of 1232017916081 is 1806197102321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982842235456 + 249175680625 = 991384^2 + 499175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232017916081 - 2³⁴ = 1214838046897 is a prime.

It is a super-2 number, since 2×1232017916081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1232017919081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616008958040 + 616008958041.

It is an arithmetic number, because the mean of its divisors is an integer number (616008958041).

Almost surely, 2^{1232017916081} is an apocalyptic number.

It is an amenable number.

1232017916081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232017916081 is an equidigital number, since it uses as much as digits as its factorization.

1232017916081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 1232017916081 in words is "one trillion, two hundred thirty-two billion, seventeen million, nine hundred sixteen thousand, eighty-one".