12203231222 has 16 divisors (see below), whose sum is σ = 22529042592. Its totient is φ = 4827651840.

The previous prime is 12203231221. The next prime is 12203231237. The reversal of 12203231222 is 22213230221.

It is a happy number.

It is a super-2 number, since 2×12203231222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12203231194 and 12203231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203231221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33525179 + ... + 33525542.

It is an arithmetic number, because the mean of its divisors is an integer number (1408065162).

Almost surely, 2^12203231222 is an apocalyptic number.

12203231222 is a deficient number, since it is larger than the sum of its proper divisors (10325811370).

12203231222 is a wasteful number, since it uses less digits than its factorization.

12203231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67050743.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12203231222 its reverse (22213230221), we get a palindrome (34416461443).

The spelling of 12203231222 in words is "twelve billion, two hundred three million, two hundred thirty-one thousand, two hundred twenty-two".