12273733252265 has 4 divisors (see below), whose sum is σ = 14728479902724. Its totient is φ = 9818986601808.

The previous prime is 12273733252243. The next prime is 12273733252427. The reversal of 12273733252265 is 56225233737221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5816142542224 + 6457590710041 = 2411668^2 + 2541179^2 .

It is a cyclic number.

It is not a de Polignac number, because 12273733252265 - 2³⁶ = 12205013775529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227373325222 + ... + 1227373325231.

It is an arithmetic number, because the mean of its divisors is an integer number (3682119975681).

Almost surely, 2^{12273733252265} is an apocalyptic number.

It is an amenable number.

12273733252265 is a deficient number, since it is larger than the sum of its proper divisors (2454746650459).

12273733252265 is an equidigital number, since it uses as much as digits as its factorization.

12273733252265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454746650458.

The product of its digits is 6350400, while the sum is 50.

Adding to 12273733252265 its reverse (56225233737221), we get a palindrome (68498966989486).

The spelling of 12273733252265 in words is "twelve trillion, two hundred seventy-three billion, seven hundred thirty-three million, two hundred fifty-two thousand, two hundred sixty-five".