12210021211222 has 8 divisors (see below), whose sum is σ = 18395010122400. Its totient is φ = 6078351170424.

The previous prime is 12210021211207. The next prime is 12210021211237. The reversal of 12210021211222 is 22211212001221.

It is an interprime number because it is at equal distance from previous prime (12210021211207) and next prime (12210021211237).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12210021211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13329717022 + ... + 13329717937.

It is an arithmetic number, because the mean of its divisors is an integer number (2299376265300).

Almost surely, 2^{12210021211222} is an apocalyptic number.

12210021211222 is a deficient number, since it is larger than the sum of its proper divisors (6184988911178).

12210021211222 is a wasteful number, since it uses less digits than its factorization.

12210021211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26659435190.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12210021211222 its reverse (22211212001221), we get a palindrome (34421233212443).

The spelling of 12210021211222 in words is "twelve trillion, two hundred ten billion, twenty-one million, two hundred eleven thousand, two hundred twenty-two".