12210210122222 has 24 divisors (see below), whose sum is σ = 21305890427976. Its totient is φ = 5232868671408.

The previous prime is 12210210122219. The next prime is 12210210122251. The reversal of 12210210122222 is 22222101201221.

It is a junction number, because it is equal to n+sod(n) for n = 12210210122194 and 12210210122203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5881688 + ... + 7682100.

It is an arithmetic number, because the mean of its divisors is an integer number (887745434499).

Almost surely, 2^{12210210122222} is an apocalyptic number.

12210210122222 is a deficient number, since it is larger than the sum of its proper divisors (9095680305754).

12210210122222 is a wasteful number, since it uses less digits than its factorization.

12210210122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869632 (or 1869625 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12210210122222 its reverse (22222101201221), we get a palindrome (34432311323443).

The spelling of 12210210122222 in words is "twelve trillion, two hundred ten billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".