12213565133 has 16 divisors (see below), whose sum is σ = 15889360896. Its totient is φ = 9103277040.

The previous prime is 12213565129. The next prime is 12213565159. The reversal of 12213565133 is 33156531221.

It is not a de Polignac number, because 12213565133 - 2² = 12213565129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12213565133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213565033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3446441 + ... + 3449982.

It is an arithmetic number, because the mean of its divisors is an integer number (993085056).

Almost surely, 2^12213565133 is an apocalyptic number.

It is an amenable number.

12213565133 is a deficient number, since it is larger than the sum of its proper divisors (3675795763).

12213565133 is a wasteful number, since it uses less digits than its factorization.

12213565133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896464.

The product of its digits is 16200, while the sum is 32.

The spelling of 12213565133 in words is "twelve billion, two hundred thirteen million, five hundred sixty-five thousand, one hundred thirty-three".