12634472233 has 10 divisors (see below), whose sum is σ = 13424206034. Its totient is φ = 11891189376.

The previous prime is 12634472209. The next prime is 12634472239. The reversal of 12634472233 is 33227443621.

It can be written as a sum of positive squares in 5 ways, for example, as 3134656144 + 9499816089 = 55988^2 + 97467^2 .

It is not a de Polignac number, because 12634472233 - 2¹³ = 12634464041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12634472192 and 12634472201.

It is not an unprimeable number, because it can be changed into a prime (12634472239) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7885 + ... + 159157.

Almost surely, 2^12634472233 is an apocalyptic number.

It is an amenable number.

12634472233 is a deficient number, since it is larger than the sum of its proper divisors (789733801).

12634472233 is an frugal number, since it uses more digits than its factorization.

12634472233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151341 (or 151290 counting only the distinct ones).

The product of its digits is 145152, while the sum is 37.

The spelling of 12634472233 in words is "twelve billion, six hundred thirty-four million, four hundred seventy-two thousand, two hundred thirty-three".