12244532765 has 4 divisors (see below), whose sum is σ = 14693439324. Its totient is φ = 9795626208.

The previous prime is 12244532723. The next prime is 12244532789. The reversal of 12244532765 is 56723544221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56723544221 = 67 ⋅846620063.

It can be written as a sum of positive squares in 2 ways, for example, as 2369937124 + 9874595641 = 48682^2 + 99371^2 .

It is a cyclic number.

It is not a de Polignac number, because 12244532765 - 2¹² = 12244528669 is a prime.

It is a Duffinian number.

It is a congruent 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, 1224453272 + ... + 1224453281.

It is an arithmetic number, because the mean of its divisors is an integer number (3673359831).

Almost surely, 2^12244532765 is an apocalyptic number.

It is an amenable number.

12244532765 is a deficient number, since it is larger than the sum of its proper divisors (2448906559).

12244532765 is an equidigital number, since it uses as much as digits as its factorization.

12244532765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448906558.

The product of its digits is 403200, while the sum is 41.

The spelling of 12244532765 in words is "twelve billion, two hundred forty-four million, five hundred thirty-two thousand, seven hundred sixty-five".