12021010222 has 12 divisors (see below), whose sum is σ = 19525250880. Its totient is φ = 5548158408.

The previous prime is 12021010181. The next prime is 12021010241. The reversal of 12021010222 is 22201012021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17782222 + ... + 17782897.

It is an arithmetic number, because the mean of its divisors is an integer number (1627104240).

Almost surely, 2^12021010222 is an apocalyptic number.

12021010222 is a deficient number, since it is larger than the sum of its proper divisors (7504240658).

12021010222 is a wasteful number, since it uses less digits than its factorization.

12021010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35565147 (or 35565134 counting only the distinct ones).

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

Adding to 12021010222 its reverse (22201012021), we get a palindrome (34222022243).

The spelling of 12021010222 in words is "twelve billion, twenty-one million, ten thousand, two hundred twenty-two".