12222434530 has 48 divisors (see below), whose sum is σ = 22432218624. Its totient is φ = 4794733440.

The previous prime is 12222434473. The next prime is 12222434561. The reversal of 12222434530 is 3543422221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11243647 + ... + 11244733.

It is an arithmetic number, because the mean of its divisors is an integer number (467337888).

Almost surely, 2^12222434530 is an apocalyptic number.

12222434530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222434530 is a deficient number, since it is larger than the sum of its proper divisors (10209784094).

12222434530 is a wasteful number, since it uses less digits than its factorization.

12222434530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12222434530 its reverse (3543422221), we get a palindrome (15765856751).

The spelling of 12222434530 in words is "twelve billion, two hundred twenty-two million, four hundred thirty-four thousand, five hundred thirty".