12210222231 has 32 divisors (see below), whose sum is σ = 18359654400. Its totient is φ = 8018650080.

The previous prime is 12210222217. The next prime is 12210222253. The reversal of 12210222231 is 13222201221.

12210222231 is a `hidden beast` number, since 1 + 2 + 210 + 222 + 231 = 666.

It is not a de Polignac number, because 12210222231 - 2⁹ = 12210221719 is a prime.

It is a super-2 number, since 2×12210222231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210222281) 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 31 ways as a sum of consecutive naturals, for example, 3274290 + ... + 3278016.

It is an arithmetic number, because the mean of its divisors is an integer number (573739200).

Almost surely, 2^12210222231 is an apocalyptic number.

12210222231 is a deficient number, since it is larger than the sum of its proper divisors (6149432169).

12210222231 is a wasteful number, since it uses less digits than its factorization.

12210222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516 (or 5510 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12210222231 its reverse (13222201221), we get a palindrome (25432423452).

The spelling of 12210222231 in words is "twelve billion, two hundred ten million, two hundred twenty-two thousand, two hundred thirty-one".