12220212220012 has 12 divisors (see below), whose sum is σ = 21385419662376. Its totient is φ = 6110092316480.

The previous prime is 12220212220001. The next prime is 12220212220019. The reversal of 12220212220012 is 21002221202221.

It is a super-2 number, since 2×12220212220012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12220212220019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307314 + ... + 5113657.

It is an arithmetic number, because the mean of its divisors is an integer number (1782118305198).

Almost surely, 2^{12220212220012} is an apocalyptic number.

It is an amenable number.

12220212220012 is a deficient number, since it is larger than the sum of its proper divisors (9165207442364).

12220212220012 is a wasteful number, since it uses less digits than its factorization.

12220212220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896768 (or 6896766 counting only the distinct ones).

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

Adding to 12220212220012 its reverse (21002221202221), we get a palindrome (33222433422233).

The spelling of 12220212220012 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty thousand, twelve".