12487115250 has 128 divisors (see below), whose sum is σ = 35070796800. Its totient is φ = 3287606400.

The previous prime is 12487115243. The next prime is 12487115269. The reversal of 12487115250 is 5251178421.

It is a happy number.

12487115250 is a `hidden beast` number, since 12 + 487 + 115 + 2 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 521542 + ... + 544958.

It is an arithmetic number, because the mean of its divisors is an integer number (273990600).

Almost surely, 2^12487115250 is an apocalyptic number.

12487115250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12487115250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17535398400).

12487115250 is an abundant number, since it is smaller than the sum of its proper divisors (22583681550).

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

12487115250 is a wasteful number, since it uses less digits than its factorization.

12487115250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23522 (or 23506 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 12487115250 in words is "twelve billion, four hundred eighty-seven million, one hundred fifteen thousand, two hundred fifty".