2012212212212 has 12 divisors (see below), whose sum is σ = 3557674169700. Its totient is φ = 995733878016.

The previous prime is 2012212212167. The next prime is 2012212212223. The reversal of 2012212212212 is 2122122122102.

It can be written as a sum of positive squares in 2 ways, for example, as 913832754916 + 1098379457296 = 955946^2 + 1048036^2 .

It is a super-2 number, since 2×2012212212212² (a number of 25 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593056587 + ... + 2593057362.

It is an arithmetic number, because the mean of its divisors is an integer number (296472847475).

Almost surely, 2^{2012212212212} is an apocalyptic number.

It is an amenable number.

2012212212212 is a deficient number, since it is larger than the sum of its proper divisors (1545461957488).

2012212212212 is a wasteful number, since it uses less digits than its factorization.

2012212212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186114050 (or 5186114048 counting only the distinct ones).

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

Adding to 2012212212212 its reverse (2122122122102), we get a palindrome (4134334334314).

The spelling of 2012212212212 in words is "two trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred twelve".