12222031332 has 24 divisors (see below), whose sum is σ = 32592083776. Its totient is φ = 3492008928.

The previous prime is 12222031313. The next prime is 12222031361. The reversal of 12222031332 is 23313022221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12222031299 and 12222031308.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72750103 + ... + 72750270.

Almost surely, 2^12222031332 is an apocalyptic number.

12222031332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222031332 is an abundant number, since it is smaller than the sum of its proper divisors (20370052444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222031332 is a wasteful number, since it uses less digits than its factorization.

12222031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145500387 (or 145500385 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12222031332 its reverse (23313022221), we get a palindrome (35535053553).

The spelling of 12222031332 in words is "twelve billion, two hundred twenty-two million, thirty-one thousand, three hundred thirty-two".