12102021222 has 16 divisors (see below), whose sum is σ = 24766927680. Its totient is φ = 3940192872.

The previous prime is 12102021221. The next prime is 12102021241. The reversal of 12102021222 is 22212020121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102021221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23453272 + ... + 23453787.

It is an arithmetic number, because the mean of its divisors is an integer number (1547932980).

Almost surely, 2^12102021222 is an apocalyptic number.

12102021222 is an abundant number, since it is smaller than the sum of its proper divisors (12664906458).

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

12102021222 is a wasteful number, since it uses less digits than its factorization.

12102021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46907107.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12102021222 its reverse (22212020121), we get a palindrome (34314041343).

The spelling of 12102021222 in words is "twelve billion, one hundred two million, twenty-one thousand, two hundred twenty-two".