2011445012 has 6 divisors (see below), whose sum is σ = 3520028778. Its totient is φ = 1005722504.

The previous prime is 2011444999. The next prime is 2011445021. The reversal of 2011445012 is 2105441102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1668232336 + 343212676 = 40844^2 + 18526^2 .

It is a super-2 number, since 2×2011445012² = 8091822072599360288, which 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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251430623 + ... + 251430630.

It is an arithmetic number, because the mean of its divisors is an integer number (586671463).

Almost surely, 2^2011445012 is an apocalyptic number.

It is an amenable number.

2011445012 is a deficient number, since it is larger than the sum of its proper divisors (1508583766).

2011445012 is a wasteful number, since it uses less digits than its factorization.

2011445012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502861257 (or 502861255 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2011445012 is about 44849.1361343783. The cubic root of 2011445012 is about 1262.3197820331.

Adding to 2011445012 its reverse (2105441102), we get a palindrome (4116886114).

The spelling of 2011445012 in words is "two billion, eleven million, four hundred forty-five thousand, twelve".