2312120212 has 24 divisors (see below), whose sum is σ = 4064467680. Its totient is φ = 1150857120.

The previous prime is 2312120201. The next prime is 2312120221. The reversal of 2312120212 is 2120212132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 987339 + ... + 989677.

It is an arithmetic number, because the mean of its divisors is an integer number (169352820).

Almost surely, 2^2312120212 is an apocalyptic number.

It is an amenable number.

2312120212 is a deficient number, since it is larger than the sum of its proper divisors (1752347468).

2312120212 is a wasteful number, since it uses less digits than its factorization.

2312120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2312120212 is about 48084.5111444423. The cubic root of 2312120212 is about 1322.3207208353.

Adding to 2312120212 its reverse (2120212132), we get a palindrome (4432332344).

The spelling of 2312120212 in words is "two billion, three hundred twelve million, one hundred twenty thousand, two hundred twelve".