12230315532 has 18 divisors (see below), whose sum is σ = 30915519908. Its totient is φ = 4076771832.

The previous prime is 12230315521. The next prime is 12230315557. The reversal of 12230315532 is 23551303221.

It is a happy number.

12230315532 is a `hidden beast` number, since 122 + 3 + 0 + 3 + 1 + 5 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 12230315496 and 12230315505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169865458 + ... + 169865529.

Almost surely, 2^12230315532 is an apocalyptic number.

12230315532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230315532 is an abundant number, since it is smaller than the sum of its proper divisors (18685204376).

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

12230315532 is a wasteful number, since it uses less digits than its factorization.

12230315532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339730997 (or 339730992 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12230315532 its reverse (23551303221), we get a palindrome (35781618753).

The spelling of 12230315532 in words is "twelve billion, two hundred thirty million, three hundred fifteen thousand, five hundred thirty-two".