12212030441 has 16 divisors (see below), whose sum is σ = 13485415440. Its totient is φ = 10986900480.

The previous prime is 12212030431. The next prime is 12212030447. The reversal of 12212030441 is 14403021221.

It can be written as a sum of positive squares in 8 ways, for example, as 5622000400 + 6590030041 = 74980^2 + 81179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212030441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12212030447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559061 + ... + 580493.

It is an arithmetic number, because the mean of its divisors is an integer number (842838465).

Almost surely, 2^12212030441 is an apocalyptic number.

It is an amenable number.

12212030441 is a deficient number, since it is larger than the sum of its proper divisors (1273384999).

12212030441 is a wasteful number, since it uses less digits than its factorization.

12212030441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12212030441 its reverse (14403021221), we get a palindrome (26615051662).

The spelling of 12212030441 in words is "twelve billion, two hundred twelve million, thirty thousand, four hundred forty-one".