12233421016 has 32 divisors (see below), whose sum is σ = 24977502000. Its totient is φ = 5594956416.

The previous prime is 12233420999. The next prime is 12233421059. The reversal of 12233421016 is 61012433221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383231 + ... + 1392046.

Almost surely, 2^12233421016 is an apocalyptic number.

It is an amenable number.

12233421016 is an abundant number, since it is smaller than the sum of its proper divisors (12744080984).

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

12233421016 is a wasteful number, since it uses less digits than its factorization.

12233421016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775331 (or 2775327 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12233421016 its reverse (61012433221), we get a palindrome (73245854237).

The spelling of 12233421016 in words is "twelve billion, two hundred thirty-three million, four hundred twenty-one thousand, sixteen".