12460856500 has 96 divisors (see below), whose sum is σ = 27817800192. Its totient is φ = 4874480000.

The previous prime is 12460856479. The next prime is 12460856501. The reversal of 12460856500 is 565806421.

It is a self number, because there is not a number n which added to its sum of digits gives 12460856500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12460856501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11420955 + ... + 11422045.

It is an arithmetic number, because the mean of its divisors is an integer number (289768752).

Almost surely, 2^12460856500 is an apocalyptic number.

12460856500 is a gapful number since it is divisible by the number (10) 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 12460856500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13908900096).

12460856500 is an abundant number, since it is smaller than the sum of its proper divisors (15356943692).

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

12460856500 is a wasteful number, since it uses less digits than its factorization.

12460856500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 12460856500 in words is "twelve billion, four hundred sixty million, eight hundred fifty-six thousand, five hundred".