12210000221122 has 16 divisors (see below), whose sum is σ = 20467317445344. Its totient is φ = 5414634244000.

The previous prime is 12210000221099. The next prime is 12210000221143. The reversal of 12210000221122 is 22112200001221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12210000221096 and 12210000221105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6768291904 + ... + 6768293707.

It is an arithmetic number, because the mean of its divisors is an integer number (1279207340334).

Almost surely, 2^{12210000221122} is an apocalyptic number.

12210000221122 is a deficient number, since it is larger than the sum of its proper divisors (8257317224222).

12210000221122 is a wasteful number, since it uses less digits than its factorization.

12210000221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536585665.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12210000221122 its reverse (22112200001221), we get a palindrome (34322200222343).

The spelling of 12210000221122 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one thousand, one hundred twenty-two".