12352321136 has 20 divisors (see below), whose sum is σ = 24107317152. Its totient is φ = 6131078016.

The previous prime is 12352321133. The next prime is 12352321153. The reversal of 12352321136 is 63112325321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12352321099 and 12352321108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352321133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2815400 + ... + 2819783.

Almost surely, 2^12352321136 is an apocalyptic number.

12352321136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12352321136 is a deficient number, since it is larger than the sum of its proper divisors (11754996016).

12352321136 is a wasteful number, since it uses less digits than its factorization.

12352321136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635328 (or 5635322 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

Adding to 12352321136 its reverse (63112325321), we get a palindrome (75464646457).

The spelling of 12352321136 in words is "twelve billion, three hundred fifty-two million, three hundred twenty-one thousand, one hundred thirty-six".