12222170207530 has 64 divisors (see below), whose sum is σ = 22491735523200. Its totient is φ = 4781149680384.

The previous prime is 12222170207521. The next prime is 12222170207567. The reversal of 12222170207530 is 3570207122221.

It is a super-3 number, since 3×12222170207530³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25751932 + ... + 26222248.

It is an arithmetic number, because the mean of its divisors is an integer number (351433367550).

Almost surely, 2^{12222170207530} is an apocalyptic number.

12222170207530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222170207530 is a deficient number, since it is larger than the sum of its proper divisors (10269565315670).

12222170207530 is a wasteful number, since it uses less digits than its factorization.

12222170207530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470743.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 12222170207530 its reverse (3570207122221), we get a palindrome (15792377329751).

The spelling of 12222170207530 in words is "twelve trillion, two hundred twenty-two billion, one hundred seventy million, two hundred seven thousand, five hundred thirty".