12210101222 has 16 divisors (see below), whose sum is σ = 20050777152. Its totient is φ = 5530431720.

The previous prime is 12210101221. The next prime is 12210101237. The reversal of 12210101222 is 22210101221.

It is a junction number, because it is equal to n+sod(n) for n = 12210101197 and 12210101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210101221) 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, 974348 + ... + 986799.

It is an arithmetic number, because the mean of its divisors is an integer number (1253173572).

Almost surely, 2^12210101222 is an apocalyptic number.

12210101222 is a deficient number, since it is larger than the sum of its proper divisors (7840675930).

12210101222 is a wasteful number, since it uses less digits than its factorization.

12210101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961443.

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

Adding to 12210101222 its reverse (22210101221), we get a palindrome (34420202443).

Subtracting 12210101222 from its reverse (22210101221), we obtain a palindrome (9999999999).

The spelling of 12210101222 in words is "twelve billion, two hundred ten million, one hundred one thousand, two hundred twenty-two".