2012222313212 has 12 divisors (see below), whose sum is σ = 3521928439680. Its totient is φ = 1005957044736.

The previous prime is 2012222313209. The next prime is 2012222313217. The reversal of 2012222313212 is 2123132222102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012222313217) 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, 38498588 + ... + 38550819.

It is an arithmetic number, because the mean of its divisors is an integer number (293494036640).

Almost surely, 2^{2012222313212} is an apocalyptic number.

It is an amenable number.

2012222313212 is a deficient number, since it is larger than the sum of its proper divisors (1509706126468).

2012222313212 is a wasteful number, since it uses less digits than its factorization.

2012222313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77055940 (or 77055938 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2012222313212 its reverse (2123132222102), we get a palindrome (4135354535314).

The spelling of 2012222313212 in words is "two trillion, twelve billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred twelve".