12500000170 has 16 divisors (see below), whose sum is σ = 25714286208. Its totient is φ = 4285714320.

The previous prime is 12500000153. The next prime is 12500000207. The reversal of 12500000170 is 7100000521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89285646 + ... + 89285785.

It is an arithmetic number, because the mean of its divisors is an integer number (1607142888).

Almost surely, 2^12500000170 is an apocalyptic number.

12500000170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12500000170 is an abundant number, since it is smaller than the sum of its proper divisors (13214286038).

12500000170 is a wasteful number, since it uses less digits than its factorization.

12500000170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178571445.

The product of its (nonzero) digits is 70, while the sum is 16.

Adding to 12500000170 its reverse (7100000521), we get a palindrome (19600000691).

The spelling of 12500000170 in words is "twelve billion, five hundred million, one hundred seventy", and thus it is an aban number.