2012111012 has 6 divisors (see below), whose sum is σ = 3521194278. Its totient is φ = 1006055504.

The previous prime is 2012110999. The next prime is 2012111029. The reversal of 2012111012 is 2101112102.

It can be written as a sum of positive squares in only one way, i.e., 1854508096 + 157602916 = 43064^2 + 12554^2 .

It is a super-2 number, since 2×2012111012² = 8097181449223328288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012110984 and 2012111002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251513873 + ... + 251513880.

It is an arithmetic number, because the mean of its divisors is an integer number (586865713).

Almost surely, 2^2012111012 is an apocalyptic number.

It is an amenable number.

2012111012 is a deficient number, since it is larger than the sum of its proper divisors (1509083266).

2012111012 is a wasteful number, since it uses less digits than its factorization.

2012111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503027757 (or 503027755 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2012111012 is about 44856.5604120512. The cubic root of 2012111012 is about 1262.4590868943.

Adding to 2012111012 its reverse (2101112102), we get a palindrome (4113223114).

The spelling of 2012111012 in words is "two billion, twelve million, one hundred eleven thousand, twelve".