12478337250 has 32 divisors (see below), whose sum is σ = 31145931648. Its totient is φ = 3327556400.

The previous prime is 12478337237. The next prime is 12478337251. The reversal of 12478337250 is 5273387421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12478337251) 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, 8318142 + ... + 8319641.

It is an arithmetic number, because the mean of its divisors is an integer number (973310364).

Almost surely, 2^12478337250 is an apocalyptic number.

12478337250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12478337250 is an abundant number, since it is smaller than the sum of its proper divisors (18667594398).

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

12478337250 is a wasteful number, since it uses less digits than its factorization.

12478337250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16637803 (or 16637793 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 12478337250 in words is "twelve billion, four hundred seventy-eight million, three hundred thirty-seven thousand, two hundred fifty".