12211122220302 has 16 divisors (see below), whose sum is σ = 24422802768000. Its totient is φ = 4070281018872.

The previous prime is 12211122220273. The next prime is 12211122220331. The reversal of 12211122220302 is 20302222111221.

It is an interprime number because it is at equal distance from previous prime (12211122220273) and next prime (12211122220331).

It is a super-2 number, since 2×12211122220302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 22979052 + ... + 23504447.

It is an arithmetic number, because the mean of its divisors is an integer number (1526425173000).

Almost surely, 2^{12211122220302} is an apocalyptic number.

12211122220302 is an abundant number, since it is smaller than the sum of its proper divisors (12211680547698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211122220302 is a wasteful number, since it uses less digits than its factorization.

12211122220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46527287.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12211122220302 its reverse (20302222111221), we get a palindrome (32513344331523).

The spelling of 12211122220302 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, three hundred two".