12650433215 has 32 divisors (see below), whose sum is σ = 17992748160. Its totient is φ = 8354304000.

The previous prime is 12650433181. The next prime is 12650433223. The reversal of 12650433215 is 51233405621.

It is a happy number.

It is not a de Polignac number, because 12650433215 - 2⁶ = 12650433151 is a prime.

It is a congruent number.

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, 391475 + ... + 422555.

It is an arithmetic number, because the mean of its divisors is an integer number (562273380).

Almost surely, 2^12650433215 is an apocalyptic number.

12650433215 is a deficient number, since it is larger than the sum of its proper divisors (5342314945).

12650433215 is a wasteful number, since it uses less digits than its factorization.

12650433215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31523.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 12650433215 its reverse (51233405621), we get a palindrome (63883838836).

The spelling of 12650433215 in words is "twelve billion, six hundred fifty million, four hundred thirty-three thousand, two hundred fifteen".