12465265392 has 120 divisors (see below), whose sum is σ = 36084037200. Its totient is φ = 4120066944.

The previous prime is 12465265387. The next prime is 12465265409. The reversal of 12465265392 is 29356256421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6966834 + ... + 6968622.

It is an arithmetic number, because the mean of its divisors is an integer number (300700310).

Almost surely, 2^12465265392 is an apocalyptic number.

12465265392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12465265392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18042018600).

12465265392 is an abundant number, since it is smaller than the sum of its proper divisors (23618771808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12465265392 is a wasteful number, since it uses less digits than its factorization.

12465265392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060 (or 1921 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 12465265392 in words is "twelve billion, four hundred sixty-five million, two hundred sixty-five thousand, three hundred ninety-two".