2321212112 has 20 divisors (see below), whose sum is σ = 4499163300. Its totient is φ = 1160137728.

The previous prime is 2321212087. The next prime is 2321212169. The reversal of 2321212112 is 2112121232.

It can be written as a sum of positive squares in 2 ways, for example, as 981944896 + 1339267216 = 31336^2 + 36596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13514 + ... + 69462.

It is an arithmetic number, because the mean of its divisors is an integer number (224958165).

Almost surely, 2^2321212112 is an apocalyptic number.

It is an amenable number.

2321212112 is a deficient number, since it is larger than the sum of its proper divisors (2177951188).

2321212112 is a wasteful number, since it uses less digits than its factorization.

2321212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58550 (or 58544 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2321212112 is about 48178.9592249563. The cubic root of 2321212112 is about 1324.0516982518.

Adding to 2321212112 its reverse (2112121232), we get a palindrome (4433333344).

The spelling of 2321212112 in words is "two billion, three hundred twenty-one million, two hundred twelve thousand, one hundred twelve".