12634355312 has 10 divisors (see below), whose sum is σ = 24479063448. Its totient is φ = 6317177648.

The previous prime is 12634355303. The next prime is 12634355317. The reversal of 12634355312 is 21355343621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634355317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394823588 + ... + 394823619.

Almost surely, 2^12634355312 is an apocalyptic number.

It is an amenable number.

12634355312 is a deficient number, since it is larger than the sum of its proper divisors (11844708136).

12634355312 is an equidigital number, since it uses as much as digits as its factorization.

12634355312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789647215 (or 789647209 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

Adding to 12634355312 its reverse (21355343621), we get a palindrome (33989698933).

The spelling of 12634355312 in words is "twelve billion, six hundred thirty-four million, three hundred fifty-five thousand, three hundred twelve".