2112321212 has 6 divisors (see below), whose sum is σ = 3696562128. Its totient is φ = 1056160604.

The previous prime is 2112321203. The next prime is 2112321241. The reversal of 2112321212 is 2121232112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264040148 + ... + 264040155.

It is an arithmetic number, because the mean of its divisors is an integer number (616093688).

Almost surely, 2^2112321212 is an apocalyptic number.

It is an amenable number.

2112321212 is a deficient number, since it is larger than the sum of its proper divisors (1584240916).

2112321212 is a wasteful number, since it uses less digits than its factorization.

2112321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528080307 (or 528080305 counting only the distinct ones).

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

The square root of 2112321212 is about 45959.9957789380. The cubic root of 2112321212 is about 1283.0787727994.

Adding to 2112321212 its reverse (2121232112), we get a palindrome (4233553324).

The spelling of 2112321212 in words is "two billion, one hundred twelve million, three hundred twenty-one thousand, two hundred twelve".