12212001100222 has 64 divisors (see below), whose sum is σ = 23576272220160. Its totient is φ = 4604141606400.

The previous prime is 12212001100199. The next prime is 12212001100339. The reversal of 12212001100222 is 22200110021221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12212001100196 and 12212001100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81737404 + ... + 81886672.

It is an arithmetic number, because the mean of its divisors is an integer number (368379253440).

Almost surely, 2^{12212001100222} is an apocalyptic number.

12212001100222 is a deficient number, since it is larger than the sum of its proper divisors (11364271119938).

12212001100222 is a wasteful number, since it uses less digits than its factorization.

12212001100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166457.

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

Adding to 12212001100222 its reverse (22200110021221), we get a palindrome (34412111121443).

The spelling of 12212001100222 in words is "twelve trillion, two hundred twelve billion, one million, one hundred thousand, two hundred twenty-two".