12201210022222 has 32 divisors (see below), whose sum is σ = 21039208081920. Its totient is φ = 5259801990240.

The previous prime is 12201210022129. The next prime is 12201210022231. The reversal of 12201210022222 is 22222001210221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12201210022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173900178 + ... + 173970325.

It is an arithmetic number, because the mean of its divisors is an integer number (657475252560).

Almost surely, 2^{12201210022222} is an apocalyptic number.

12201210022222 is a deficient number, since it is larger than the sum of its proper divisors (8837998059698).

12201210022222 is a wasteful number, since it uses less digits than its factorization.

12201210022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347870608.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12201210022222 its reverse (22222001210221), we get a palindrome (34423211232443).

The spelling of 12201210022222 in words is "twelve trillion, two hundred one billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".