12001222222330 has 96 divisors (see below), whose sum is σ = 24390016842240. Its totient is φ = 4246032172800.

The previous prime is 12001222222279. The next prime is 12001222222361. The reversal of 12001222222330 is 3322222210021.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 17877291 + ... + 18536449.

It is an arithmetic number, because the mean of its divisors is an integer number (254062675440).

Almost surely, 2^{12001222222330} is an apocalyptic number.

12001222222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001222222330 is an abundant number, since it is smaller than the sum of its proper divisors (12388794619910).

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

12001222222330 is a wasteful number, since it uses less digits than its factorization.

12001222222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659596 (or 659585 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12001222222330 its reverse (3322222210021), we get a palindrome (15323444432351).

The spelling of 12001222222330 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred thirty".