12650012515 has 8 divisors (see below), whose sum is σ = 17348588640. Its totient is φ = 8674294272.

The previous prime is 12650012509. The next prime is 12650012699. The reversal of 12650012515 is 51521005621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12650012515 - 2¹¹ = 12650010467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180714430 + ... + 180714499.

It is an arithmetic number, because the mean of its divisors is an integer number (2168573580).

Almost surely, 2^12650012515 is an apocalyptic number.

12650012515 is a deficient number, since it is larger than the sum of its proper divisors (4698576125).

12650012515 is an equidigital number, since it uses as much as digits as its factorization.

12650012515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361428941.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 12650012515 in words is "twelve billion, six hundred fifty million, twelve thousand, five hundred fifteen".