12448145789237 has 4 divisors (see below), whose sum is σ = 12470023023180. Its totient is φ = 12426268555296.

The previous prime is 12448145789231. The next prime is 12448145789243. The reversal of 12448145789237 is 73298754184421.

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

It is an interprime number because it is at equal distance from previous prime (12448145789231) and next prime (12448145789243).

It can be written as a sum of positive squares in 2 ways, for example, as 4827156132241 + 7620989656996 = 2197079^2 + 2760614^2 .

It is a cyclic number.

It is not a de Polignac number, because 12448145789237 - 2⁶ = 12448145789173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12448145789231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10938616118 + ... + 10938617255.

It is an arithmetic number, because the mean of its divisors is an integer number (3117505755795).

Almost surely, 2^{12448145789237} is an apocalyptic number.

It is an amenable number.

12448145789237 is a deficient number, since it is larger than the sum of its proper divisors (21877233943).

12448145789237 is an equidigital number, since it uses as much as digits as its factorization.

12448145789237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21877233942.

The product of its digits is 108380160, while the sum is 65.

The spelling of 12448145789237 in words is "twelve trillion, four hundred forty-eight billion, one hundred forty-five million, seven hundred eighty-nine thousand, two hundred thirty-seven".