2012011312 has 40 divisors (see below), whose sum is σ = 3970236960. Its totient is φ = 987502080.

The previous prime is 2012011303. The next prime is 2012011361. The reversal of 2012011312 is 2131102102.

It is a super-2 number, since 2×2012011312² = 8096379039231922688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012011292 and 2012011301.

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 7 ways as a sum of consecutive naturals, for example, 553533 + ... + 557155.

It is an arithmetic number, because the mean of its divisors is an integer number (99255924).

Almost surely, 2^2012011312 is an apocalyptic number.

It is an amenable number.

2012011312 is a deficient number, since it is larger than the sum of its proper divisors (1958225648).

2012011312 is a wasteful number, since it uses less digits than its factorization.

2012011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2012011312 is about 44855.4490781220. The cubic root of 2012011312 is about 1262.4382349550.

Adding to 2012011312 its reverse (2131102102), we get a palindrome (4143113414).

The spelling of 2012011312 in words is "two billion, twelve million, eleven thousand, three hundred twelve".