12233540532217 has 2 divisors, whose sum is σ = 12233540532218. Its totient is φ = 12233540532216.

The previous prime is 12233540532197. The next prime is 12233540532229. The reversal of 12233540532217 is 71223504533221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12196746003456 + 36794528761 = 3492384^2 + 191819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12233540532217 is a prime.

It is a super-2 number, since 2×12233540532217² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12233540532217.

It is not a weakly prime, because it can be changed into another prime (12233540539217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116770266108 + 6116770266109.

It is an arithmetic number, because the mean of its divisors is an integer number (6116770266109).

Almost surely, 2^{12233540532217} is an apocalyptic number.

It is an amenable number.

12233540532217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233540532217 is an equidigital number, since it uses as much as digits as its factorization.

12233540532217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 12233540532217 in words is "twelve trillion, two hundred thirty-three billion, five hundred forty million, five hundred thirty-two thousand, two hundred seventeen".