12211212222002 has 16 divisors (see below), whose sum is σ = 18630520780320. Its totient is φ = 6001074716448.

The previous prime is 12211212221933. The next prime is 12211212222113. The reversal of 12211212222002 is 20022221211221.

It is a super-2 number, since 2×12211212222002² (a number of 27 digits) contains 22 as substring.

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, 8342108 + ... + 9696039.

It is an arithmetic number, because the mean of its divisors is an integer number (1164407548770).

Almost surely, 2^{12211212222002} is an apocalyptic number.

12211212222002 is a deficient number, since it is larger than the sum of its proper divisors (6419308558318).

12211212222002 is a wasteful number, since it uses less digits than its factorization.

12211212222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043945.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12211212222002 its reverse (20022221211221), we get a palindrome (32233433433223).

The spelling of 12211212222002 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, two".