12212010223 has 4 divisors (see below), whose sum is σ = 13956583120. Its totient is φ = 10467437328.

The previous prime is 12212010193. The next prime is 12212010227. The reversal of 12212010223 is 32201021221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32201021221 = 1723 ⋅18688927.

It is a cyclic number.

It is not a de Polignac number, because 12212010223 - 2²¹ = 12209913071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212010197 and 12212010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212010227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872286438 + ... + 872286451.

It is an arithmetic number, because the mean of its divisors is an integer number (3489145780).

Almost surely, 2^12212010223 is an apocalyptic number.

12212010223 is a deficient number, since it is larger than the sum of its proper divisors (1744572897).

12212010223 is an equidigital number, since it uses as much as digits as its factorization.

12212010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744572896.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12212010223 its reverse (32201021221), we get a palindrome (44413031444).

The spelling of 12212010223 in words is "twelve billion, two hundred twelve million, ten thousand, two hundred twenty-three".