2012111212 has 12 divisors (see below), whose sum is σ = 3603083176. Its totient is φ = 982658880.

The previous prime is 2012111209. The next prime is 2012111249. The reversal of 2012111212 is 2121112102.

It is a super-2 number, since 2×2012111212² = 8097183058912217888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012111192 and 2012111201.

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, 5848989 + ... + 5849332.

Almost surely, 2^2012111212 is an apocalyptic number.

It is an amenable number.

2012111212 is a deficient number, since it is larger than the sum of its proper divisors (1590971964).

2012111212 is a wasteful number, since it uses less digits than its factorization.

2012111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698368 (or 11698366 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2012111212 is about 44856.5626413795. The cubic root of 2012111212 is about 1262.4591287230.

Adding to 2012111212 its reverse (2121112102), we get a palindrome (4133223314).

The spelling of 2012111212 in words is "two billion, twelve million, one hundred eleven thousand, two hundred twelve".