12220310033 has 4 divisors (see below), whose sum is σ = 12367542768. Its totient is φ = 12073077300.

The previous prime is 12220310017. The next prime is 12220310057. The reversal of 12220310033 is 33001302221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33001302221 = 23 ⋅1434839227.

It is a cyclic number.

It is not a de Polignac number, because 12220310033 - 2⁴ = 12220310017 is a prime.

It is a super-2 number, since 2×12220310033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220309993 and 12220310020.

It is not an unprimeable number, because it can be changed into a prime (12220310083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73616243 + ... + 73616408.

It is an arithmetic number, because the mean of its divisors is an integer number (3091885692).

Almost surely, 2^12220310033 is an apocalyptic number.

It is an amenable number.

12220310033 is a deficient number, since it is larger than the sum of its proper divisors (147232735).

12220310033 is an equidigital number, since it uses as much as digits as its factorization.

12220310033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147232734.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12220310033 its reverse (33001302221), we get a palindrome (45221612254).

The spelling of 12220310033 in words is "twelve billion, two hundred twenty million, three hundred ten thousand, thirty-three".