12500006390 has 32 divisors (see below), whose sum is σ = 22789356480. Its totient is φ = 4935884800.

The previous prime is 12500006377. The next prime is 12500006419. The reversal of 12500006390 is 9360000521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559535 + ... + 581445.

It is an arithmetic number, because the mean of its divisors is an integer number (712167390).

Almost surely, 2^12500006390 is an apocalyptic number.

12500006390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12500006390 is a deficient number, since it is larger than the sum of its proper divisors (10289350090).

12500006390 is a wasteful number, since it uses less digits than its factorization.

12500006390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22648.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 12500006390 in words is "twelve billion, five hundred million, six thousand, three hundred ninety".