2312130212 has 48 divisors (see below), whose sum is σ = 4789397760. Its totient is φ = 955608192.

The previous prime is 2312130211. The next prime is 2312130221. The reversal of 2312130212 is 2120312132.

It is a super-2 number, since 2×2312130212² = 10691892234486329888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2312130211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295873 + ... + 1297655.

It is an arithmetic number, because the mean of its divisors is an integer number (99779120).

Almost surely, 2^2312130212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312130212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394698880).

2312130212 is an abundant number, since it is smaller than the sum of its proper divisors (2477267548).

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

2312130212 is a wasteful number, since it uses less digits than its factorization.

2312130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2312130212 is about 48084.6151279180. The cubic root of 2312130212 is about 1322.3226271935.

Adding to 2312130212 its reverse (2120312132), we get a palindrome (4432442344).

The spelling of 2312130212 in words is "two billion, three hundred twelve million, one hundred thirty thousand, two hundred twelve".