12001210222 has 4 divisors (see below), whose sum is σ = 18001815336. Its totient is φ = 6000605110.

The previous prime is 12001210189. The next prime is 12001210223. The reversal of 12001210222 is 22201210021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22201210021 = 45119 ⋅492059.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001210223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000302554 + ... + 3000302557.

It is an arithmetic number, because the mean of its divisors is an integer number (4500453834).

Almost surely, 2^12001210222 is an apocalyptic number.

12001210222 is a deficient number, since it is larger than the sum of its proper divisors (6000605114).

12001210222 is an equidigital number, since it uses as much as digits as its factorization.

12001210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000605113.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12001210222 its reverse (22201210021), we get a palindrome (34202420243).

The spelling of 12001210222 in words is "twelve billion, one million, two hundred ten thousand, two hundred twenty-two".