12250500000 has 168 divisors, whose sum is σ = 40201360416. Its totient is φ = 3266400000.

The previous prime is 12250499993. The next prime is 12250500011. The reversal of 12250500000 is 505221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1495917 + ... + 1504083.

It is an arithmetic number, because the mean of its divisors is an integer number (239293812).

Almost surely, 2^12250500000 is an apocalyptic number.

12250500000 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 12250500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20100680208).

12250500000 is an abundant number, since it is smaller than the sum of its proper divisors (27950860416).

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

12250500000 is an frugal number, since it uses more digits than its factorization.

12250500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210 (or 8177 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The spelling of 12250500000 in words is "twelve billion, two hundred fifty million, five hundred thousand".