212640114 has 32 divisors (see below), whose sum is σ = 451396800. Its totient is φ = 66547712.

The previous prime is 212640091. The next prime is 212640119. The reversal of 212640114 is 411046212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212640119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43477 + ... + 48119.

It is an arithmetic number, because the mean of its divisors is an integer number (14106150).

Almost surely, 2^212640114 is an apocalyptic number.

212640114 is an abundant number, since it is smaller than the sum of its proper divisors (238756686).

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

212640114 is a wasteful number, since it uses less digits than its factorization.

212640114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 212640114 is about 14582.1848157263. The cubic root of 212640114 is about 596.8727229942.

Adding to 212640114 its reverse (411046212), we get a palindrome (623686326).

The spelling of 212640114 in words is "two hundred twelve million, six hundred forty thousand, one hundred fourteen".