12212221133 has 8 divisors (see below), whose sum is σ = 14777813952. Its totient is φ = 9851875776.

The previous prime is 12212221129. The next prime is 12212221159. The reversal of 12212221133 is 33112221221.

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 12212221133 - 2² = 12212221129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212221183) 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, 51311735 + ... + 51311972.

It is an arithmetic number, because the mean of its divisors is an integer number (1847226744).

Almost surely, 2^12212221133 is an apocalyptic number.

It is an amenable number.

12212221133 is a deficient number, since it is larger than the sum of its proper divisors (2565592819).

12212221133 is a wasteful number, since it uses less digits than its factorization.

12212221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102623731.

The product of its digits is 288, while the sum is 20.

Adding to 12212221133 its reverse (33112221221), we get a palindrome (45324442354).

The spelling of 12212221133 in words is "twelve billion, two hundred twelve million, two hundred twenty-one thousand, one hundred thirty-three".