12234787965 has 40 divisors (see below), whose sum is σ = 22524774360. Its totient is φ = 6348855168.

The previous prime is 12234787937. The next prime is 12234787973. The reversal of 12234787965 is 56978743221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 451902564 + 11782885401 = 21258^2 + 108549^2 .

It is not a de Polignac number, because 12234787965 - 2²⁵ = 12201233533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 393250 + ... + 423219.

It is an arithmetic number, because the mean of its divisors is an integer number (563119359).

Almost surely, 2^12234787965 is an apocalyptic number.

12234787965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12234787965 is a deficient number, since it is larger than the sum of its proper divisors (10289986395).

12234787965 is an equidigital number, since it uses as much as digits as its factorization.

12234787965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816523 (or 816514 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 12234787965 in words is "twelve billion, two hundred thirty-four million, seven hundred eighty-seven thousand, nine hundred sixty-five".