2011312 has 10 divisors (see below), whose sum is σ = 3896948. Its totient is φ = 1005648.

The previous prime is 2011309. The next prime is 2011333. The reversal of 2011312 is 2131102.

It is a super-2 number, since 2×2011312² = 8090751922688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62838 + ... + 62869.

2^2011312 is an apocalyptic number.

It is an amenable number.

2011312 is a deficient number, since it is larger than the sum of its proper divisors (1885636).

2011312 is a wasteful number, since it uses less digits than its factorization.

2011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125715 (or 125709 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2011312 is about 1418.2073191180. The cubic root of 2011312 is about 126.2291956700.

Adding to 2011312 its reverse (2131102), we get a palindrome (4142414).

The spelling of 2011312 in words is "two million, eleven thousand, three hundred twelve".