12345351232 has 28 divisors (see below), whose sum is σ = 25787167120. Its totient is φ = 5847797376.

The previous prime is 12345351229. The next prime is 12345351257. The reversal of 12345351232 is 23215354321.

It is a junction number, because it is equal to n+sod(n) for n = 12345351194 and 12345351203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5074998 + ... + 5077429.

Almost surely, 2^12345351232 is an apocalyptic number.

It is an amenable number.

12345351232 is an abundant number, since it is smaller than the sum of its proper divisors (13441815888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12345351232 is a wasteful number, since it uses less digits than its factorization.

12345351232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152458 (or 10152448 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The spelling of 12345351232 in words is "twelve billion, three hundred forty-five million, three hundred fifty-one thousand, two hundred thirty-two".