12639002500250 has 64 divisors (see below), whose sum is σ = 27046810552320. Its totient is φ = 4332319804800.

The previous prime is 12639002500247. The next prime is 12639002500261. The reversal of 12639002500250 is 5200520093621.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12639002500250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6347246 + ... + 8097254.

It is an arithmetic number, because the mean of its divisors is an integer number (422606414880).

Almost surely, 2^{12639002500250} is an apocalyptic number.

12639002500250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12639002500250 is an abundant number, since it is smaller than the sum of its proper divisors (14407808052070).

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

12639002500250 is a wasteful number, since it uses less digits than its factorization.

12639002500250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754160 (or 1754150 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 12639002500250 its reverse (5200520093621), we get a palindrome (17839522593871).

The spelling of 12639002500250 in words is "twelve trillion, six hundred thirty-nine billion, two million, five hundred thousand, two hundred fifty".