2116243212 has 24 divisors (see below), whose sum is σ = 4962720000. Its totient is φ = 701868816.

The previous prime is 2116243193. The next prime is 2116243219. The reversal of 2116243212 is 2123426112.

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

It is not an unprimeable number, because it can be changed into a prime (2116243219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440712 + ... + 445487.

It is an arithmetic number, because the mean of its divisors is an integer number (206780000).

Almost surely, 2^2116243212 is an apocalyptic number.

It is an amenable number.

2116243212 is an abundant number, since it is smaller than the sum of its proper divisors (2846476788).

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

2116243212 is a wasteful number, since it uses less digits than its factorization.

2116243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886405 (or 886403 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2116243212 is about 46002.6435327362. The cubic root of 2116243212 is about 1283.8723900508.

Adding to 2116243212 its reverse (2123426112), we get a palindrome (4239669324).

The spelling of 2116243212 in words is "two billion, one hundred sixteen million, two hundred forty-three thousand, two hundred twelve".