12265590263 has 4 divisors (see below), whose sum is σ = 12282324408. Its totient is φ = 12248856120.

The previous prime is 12265590229. The next prime is 12265590283. The reversal of 12265590263 is 36209556221.

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

It is a cyclic number.

It is not a de Polignac number, because 12265590263 - 2²² = 12261395959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12265590263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265590203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8365973 + ... + 8367438.

It is an arithmetic number, because the mean of its divisors is an integer number (3070581102).

Almost surely, 2^12265590263 is an apocalyptic number.

12265590263 is a deficient number, since it is larger than the sum of its proper divisors (16734145).

12265590263 is an equidigital number, since it uses as much as digits as its factorization.

12265590263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16734144.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 12265590263 in words is "twelve billion, two hundred sixty-five million, five hundred ninety thousand, two hundred sixty-three".