2121214112 has 24 divisors (see below), whose sum is σ = 4395938400. Its totient is φ = 1004785344.

The previous prime is 2121214063. The next prime is 2121214129. The reversal of 2121214112 is 2114121212.

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

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, 1743812 + ... + 1745027.

It is an arithmetic number, because the mean of its divisors is an integer number (183164100).

Almost surely, 2^2121214112 is an apocalyptic number.

It is an amenable number.

2121214112 is an abundant number, since it is smaller than the sum of its proper divisors (2274724288).

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

2121214112 is a wasteful number, since it uses less digits than its factorization.

2121214112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488868 (or 3488860 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 2121214112 is about 46056.6402595760. The cubic root of 2121214112 is about 1284.8768446723.

Adding to 2121214112 its reverse (2114121212), we get a palindrome (4235335324).

The spelling of 2121214112 in words is "two billion, one hundred twenty-one million, two hundred fourteen thousand, one hundred twelve".