12132212033 has 4 divisors (see below), whose sum is σ = 12361121748. Its totient is φ = 11903302320.

The previous prime is 12132212023. The next prime is 12132212069. The reversal of 12132212033 is 33021223121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9148539904 + 2983672129 = 95648^2 + 54623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12132212033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132211996 and 12132212014.

It is not an unprimeable number, because it can be changed into a prime (12132212003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114454778 + ... + 114454883.

It is an arithmetic number, because the mean of its divisors is an integer number (3090280437).

Almost surely, 2^12132212033 is an apocalyptic number.

It is an amenable number.

12132212033 is a deficient number, since it is larger than the sum of its proper divisors (228909715).

12132212033 is an equidigital number, since it uses as much as digits as its factorization.

12132212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228909714.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12132212033 its reverse (33021223121), we get a palindrome (45153435154).

The spelling of 12132212033 in words is "twelve billion, one hundred thirty-two million, two hundred twelve thousand, thirty-three".