12102120222 has 32 divisors (see below), whose sum is σ = 24464916000. Its totient is φ = 3990632448.

The previous prime is 12102120221. The next prime is 12102120227. The reversal of 12102120222 is 22202120121.

It is a super-2 number, since 2×12102120222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004304 + ... + 2010332.

It is an arithmetic number, because the mean of its divisors is an integer number (764528625).

Almost surely, 2^12102120222 is an apocalyptic number.

12102120222 is an abundant number, since it is smaller than the sum of its proper divisors (12362795778).

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

12102120222 is a wasteful number, since it uses less digits than its factorization.

12102120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580.

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

Adding to 12102120222 its reverse (22202120121), we get a palindrome (34304240343).

The spelling of 12102120222 in words is "twelve billion, one hundred two million, one hundred twenty thousand, two hundred twenty-two".