12633150805 has 12 divisors (see below), whose sum is σ = 16663231116. Its totient is φ = 9187745600.

The previous prime is 12633150799. The next prime is 12633150811. The reversal of 12633150805 is 50805133621.

It is an interprime number because it is at equal distance from previous prime (12633150799) and next prime (12633150811).

It can be written as a sum of positive squares in 2 ways, for example, as 6144364996 + 6488785809 = 78386^2 + 80553^2 .

It is not a de Polignac number, because 12633150805 - 2⁵ = 12633150773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10440016 + ... + 10441225.

It is an arithmetic number, because the mean of its divisors is an integer number (1388602593).

Almost surely, 2^12633150805 is an apocalyptic number.

It is an amenable number.

12633150805 is a deficient number, since it is larger than the sum of its proper divisors (4030080311).

12633150805 is a wasteful number, since it uses less digits than its factorization.

12633150805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881268 (or 20881257 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 12633150805 in words is "twelve billion, six hundred thirty-three million, one hundred fifty thousand, eight hundred five".