12013221133 has 8 divisors (see below), whose sum is σ = 12069995328. Its totient is φ = 11956481184.

The previous prime is 12013221131. The next prime is 12013221163. The reversal of 12013221133 is 33112231021.

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 12013221133 - 2¹ = 12013221131 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 12013221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013221131) 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, 936360 + ... + 949102.

It is an arithmetic number, because the mean of its divisors is an integer number (1508749416).

Almost surely, 2^12013221133 is an apocalyptic number.

It is an amenable number.

12013221133 is a deficient number, since it is larger than the sum of its proper divisors (56774195).

12013221133 is a wasteful number, since it uses less digits than its factorization.

12013221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17123.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12013221133 its reverse (33112231021), we get a palindrome (45125452154).

The spelling of 12013221133 in words is "twelve billion, thirteen million, two hundred twenty-one thousand, one hundred thirty-three".