12251965263 has 16 divisors (see below), whose sum is σ = 18207256320. Its totient is φ = 7282901376.

The previous prime is 12251965247. The next prime is 12251965307. The reversal of 12251965263 is 36256915221.

It is a happy number.

It is not a de Polignac number, because 12251965263 - 2⁴ = 12251965247 is a prime.

It is a super-3 number, since 3×12251965263³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251965163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6320995 + ... + 6322932.

It is an arithmetic number, because the mean of its divisors is an integer number (1137953520).

Almost surely, 2^12251965263 is an apocalyptic number.

12251965263 is a deficient number, since it is larger than the sum of its proper divisors (5955291057).

12251965263 is a wasteful number, since it uses less digits than its factorization.

12251965263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643966.

The product of its digits is 194400, while the sum is 42.

The spelling of 12251965263 in words is "twelve billion, two hundred fifty-one million, nine hundred sixty-five thousand, two hundred sixty-three".