2312166612 has 48 divisors (see below), whose sum is σ = 6192990720. Its totient is φ = 657703392.

The previous prime is 2312166553. The next prime is 2312166613. The reversal of 2312166612 is 2166612132.

It is a super-2 number, since 2×2312166612² = 10692228883295117088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2312166612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312166613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41562 + ... + 79697.

It is an arithmetic number, because the mean of its divisors is an integer number (129020640).

Almost surely, 2^2312166612 is an apocalyptic number.

It is an amenable number.

2312166612 is an abundant number, since it is smaller than the sum of its proper divisors (3880824108).

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

2312166612 is a wasteful number, since it uses less digits than its factorization.

2312166612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121500 (or 121498 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 2312166612 is about 48084.9936258704. The cubic root of 2312166612 is about 1322.3295662910.

Adding to 2312166612 its reverse (2166612132), we get a palindrome (4478778744).

The spelling of 2312166612 in words is "two billion, three hundred twelve million, one hundred sixty-six thousand, six hundred twelve".