2012312 has 8 divisors (see below), whose sum is σ = 3773100. Its totient is φ = 1006152.

The previous prime is 2012299. The next prime is 2012317. The reversal of 2012312 is 2132102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2012293 and 2012302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125762 + ... + 125777.

2^2012312 is an apocalyptic number.

It is an amenable number.

2012312 is a deficient number, since it is larger than the sum of its proper divisors (1760788).

2012312 is a wasteful number, since it uses less digits than its factorization.

2012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251545 (or 251541 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2012312 is about 1418.5598330701. The cubic root of 2012312 is about 126.2501120804.

Adding to 2012312 its reverse (2132102), we get a palindrome (4144414).

The spelling of 2012312 in words is "two million, twelve thousand, three hundred twelve".