12232221330 has 96 divisors (see below), whose sum is σ = 35635261824. Its totient is φ = 2674366464.

The previous prime is 12232221317. The next prime is 12232221367. The reversal of 12232221330 is 3312223221.

It is a happy number.

It is a super-2 number, since 2×12232221330² (a number of 21 digits) contains 22 as substring.

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 = 12232221297 and 12232221306.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147087 + ... + 214706.

It is an arithmetic number, because the mean of its divisors is an integer number (371200644).

Almost surely, 2^12232221330 is an apocalyptic number.

12232221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12232221330 is an abundant number, since it is smaller than the sum of its proper divisors (23403040494).

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

12232221330 is a wasteful number, since it uses less digits than its factorization.

12232221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361840 (or 361833 counting only the distinct ones).

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

Adding to 12232221330 its reverse (3312223221), we get a palindrome (15544444551).

The spelling of 12232221330 in words is "twelve billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred thirty".