12905716250 has 80 divisors (see below), whose sum is σ = 27790304256. Its totient is φ = 4401768000.

The previous prime is 12905716223. The next prime is 12905716253. The reversal of 12905716250 is 5261750921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12905716253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1720007 + ... + 1727493.

Almost surely, 2^12905716250 is an apocalyptic number.

12905716250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12905716250 is an abundant number, since it is smaller than the sum of its proper divisors (14884588006).

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

12905716250 is an equidigital number, since it uses as much as digits as its factorization.

12905716250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713 (or 7698 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 12905716250 in words is "twelve billion, nine hundred five million, seven hundred sixteen thousand, two hundred fifty".