12210211045 has 16 divisors (see below), whose sum is σ = 14984461872. Its totient is φ = 9549066240.

The previous prime is 12210211037. The next prime is 12210211051. The reversal of 12210211045 is 54011201221.

12210211045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1489265281 + 10720945764 = 38591^2 + 103542^2 .

It is not a de Polignac number, because 12210211045 - 2³ = 12210211037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106776 + ... + 189265.

It is an arithmetic number, because the mean of its divisors is an integer number (936528867).

Almost surely, 2^12210211045 is an apocalyptic number.

It is an amenable number.

12210211045 is a deficient number, since it is larger than the sum of its proper divisors (2774250827).

12210211045 is a wasteful number, since it uses less digits than its factorization.

12210211045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296232.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12210211045 its reverse (54011201221), we get a palindrome (66221412266).

The spelling of 12210211045 in words is "twelve billion, two hundred ten million, two hundred eleven thousand, forty-five".