2012256312 has 64 divisors (see below), whose sum is σ = 5494037760. Its totient is φ = 609100800.

The previous prime is 2012256293. The next prime is 2012256331. The reversal of 2012256312 is 2136522102.

It is an interprime number because it is at equal distance from previous prime (2012256293) and next prime (2012256331).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268488 + ... + 275880.

It is an arithmetic number, because the mean of its divisors is an integer number (85844340).

Almost surely, 2^2012256312 is an apocalyptic number.

2012256312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2012256312 is an abundant number, since it is smaller than the sum of its proper divisors (3481781448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012256312 is a wasteful number, since it uses less digits than its factorization.

2012256312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444 (or 8440 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2012256312 is about 44858.1799898302. The cubic root of 2012256312 is about 1262.4894746958.

Adding to 2012256312 its reverse (2136522102), we get a palindrome (4148778414).

The spelling of 2012256312 in words is "two billion, twelve million, two hundred fifty-six thousand, three hundred twelve".