12465069536 has 48 divisors (see below), whose sum is σ = 25404276240. Its totient is φ = 6013486080.

The previous prime is 12465069517. The next prime is 12465069553. The reversal of 12465069536 is 63596056421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676900 + ... + 1684316.

It is an arithmetic number, because the mean of its divisors is an integer number (529255755).

Almost surely, 2^12465069536 is an apocalyptic number.

12465069536 is a gapful number since it is divisible by the number (16) 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 12465069536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12702138120).

12465069536 is an abundant number, since it is smaller than the sum of its proper divisors (12939206704).

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

12465069536 is a wasteful number, since it uses less digits than its factorization.

12465069536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267 (or 9259 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 12465069536 in words is "twelve billion, four hundred sixty-five million, sixty-nine thousand, five hundred thirty-six".