12221212222202 has 16 divisors (see below), whose sum is σ = 18448301707200. Its totient is φ = 6071899468320.

The previous prime is 12221212222201. The next prime is 12221212222207. The reversal of 12221212222202 is 20222221212221.

It is not an unprimeable number, because it can be changed into a prime (12221212222201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30085052 + ... + 30488567.

It is an arithmetic number, because the mean of its divisors is an integer number (1153018856700).

Almost surely, 2^{12221212222202} is an apocalyptic number.

12221212222202 is a deficient number, since it is larger than the sum of its proper divisors (6227089484998).

12221212222202 is a wasteful number, since it uses less digits than its factorization.

12221212222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60574261.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12221212222202 its reverse (20222221212221), we get a palindrome (32443433434423).

The spelling of 12221212222202 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, two hundred two".