12653420332 has 18 divisors (see below), whose sum is σ = 25758748932. Its totient is φ = 5422894344.

The previous prime is 12653420251. The next prime is 12653420363. The reversal of 12653420332 is 23302435621.

It is a junction number, because it is equal to n+sod(n) for n = 12653420294 and 12653420303.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32278938 + ... + 32279329.

Almost surely, 2^12653420332 is an apocalyptic number.

It is an amenable number.

12653420332 is an abundant number, since it is smaller than the sum of its proper divisors (13105328600).

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

12653420332 is a wasteful number, since it uses less digits than its factorization.

12653420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64558285 (or 64558276 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 12653420332 its reverse (23302435621), we get a palindrome (35955855953).

The spelling of 12653420332 in words is "twelve billion, six hundred fifty-three million, four hundred twenty thousand, three hundred thirty-two".