12210031033 has 4 divisors (see below), whose sum is σ = 12291977700. Its totient is φ = 12128084368.

The previous prime is 12210031021. The next prime is 12210031051. The reversal of 12210031033 is 33013001221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33013001221 = 25303 ⋅1304707.

It can be written as a sum of positive squares in 2 ways, for example, as 1608651664 + 10601379369 = 40108^2 + 102963^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210031033 - 2²⁵ = 12176476601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210030998 and 12210031016.

It is not an unprimeable number, because it can be changed into a prime (12210031003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40973110 + ... + 40973407.

It is an arithmetic number, because the mean of its divisors is an integer number (3072994425).

Almost surely, 2^12210031033 is an apocalyptic number.

It is an amenable number.

12210031033 is a deficient number, since it is larger than the sum of its proper divisors (81946667).

12210031033 is an equidigital number, since it uses as much as digits as its factorization.

12210031033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81946666.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12210031033 its reverse (33013001221), we get a palindrome (45223032254).

The spelling of 12210031033 in words is "twelve billion, two hundred ten million, thirty-one thousand, thirty-three".