12213909533 has 8 divisors (see below), whose sum is σ = 13959867840. Its totient is φ = 10468229760.

The previous prime is 12213909529. The next prime is 12213909551. The reversal of 12213909533 is 33590931221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12213909533 - 2² = 12213909529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213909523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34778 + ... + 160116.

It is an arithmetic number, because the mean of its divisors is an integer number (1744983480).

Almost surely, 2^12213909533 is an apocalyptic number.

It is an amenable number.

12213909533 is a deficient number, since it is larger than the sum of its proper divisors (1745958307).

12213909533 is a wasteful number, since it uses less digits than its factorization.

12213909533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139267.

The product of its (nonzero) digits is 43740, while the sum is 38.

The spelling of 12213909533 in words is "twelve billion, two hundred thirteen million, nine hundred nine thousand, five hundred thirty-three".