12102101222 has 64 divisors (see below), whose sum is σ = 19987292160. Its totient is φ = 5488480800.

The previous prime is 12102101203. The next prime is 12102101227. The reversal of 12102101222 is 22210120121.

It is a junction number, because it is equal to n+sod(n) for n = 12102101197 and 12102101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102101227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46015463 + ... + 46015725.

It is an arithmetic number, because the mean of its divisors is an integer number (312301440).

Almost surely, 2^12102101222 is an apocalyptic number.

12102101222 is a deficient number, since it is larger than the sum of its proper divisors (7885190938).

12102101222 is an equidigital number, since it uses as much as digits as its factorization.

12102101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12102101222 its reverse (22210120121), we get a palindrome (34312221343).

The spelling of 12102101222 in words is "twelve billion, one hundred two million, one hundred one thousand, two hundred twenty-two".