12220132033 has 4 divisors (see below), whose sum is σ = 12250913620. Its totient is φ = 12189350448.

The previous prime is 12220132021. The next prime is 12220132039. The reversal of 12220132033 is 33023102221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33023102221 = 1109 ⋅29777369.

It can be written as a sum of positive squares in 2 ways, for example, as 2890890289 + 9329241744 = 53767^2 + 96588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220132033 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 12220132033.

It is not an unprimeable number, because it can be changed into a prime (12220132039) 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, 15390198 + ... + 15390991.

It is an arithmetic number, because the mean of its divisors is an integer number (3062728405).

Almost surely, 2^12220132033 is an apocalyptic number.

It is an amenable number.

12220132033 is a deficient number, since it is larger than the sum of its proper divisors (30781587).

12220132033 is an equidigital number, since it uses as much as digits as its factorization.

12220132033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30781586.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12220132033 its reverse (33023102221), we get a palindrome (45243234254).

The spelling of 12220132033 in words is "twelve billion, two hundred twenty million, one hundred thirty-two thousand, thirty-three".