212231514 has 16 divisors (see below), whose sum is σ = 463050720. Its totient is φ = 64312560.

The previous prime is 212231489. The next prime is 212231521. The reversal of 212231514 is 415132212.

212231514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607749 + ... + 1607880.

It is an arithmetic number, because the mean of its divisors is an integer number (28940670).

Almost surely, 2^212231514 is an apocalyptic number.

212231514 is an abundant number, since it is smaller than the sum of its proper divisors (250819206).

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

212231514 is a wasteful number, since it uses less digits than its factorization.

212231514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215645.

The product of its digits is 480, while the sum is 21.

The square root of 212231514 is about 14568.1678326411. The cubic root of 212231514 is about 596.4901696303.

Adding to 212231514 its reverse (415132212), we get a palindrome (627363726).

The spelling of 212231514 in words is "two hundred twelve million, two hundred thirty-one thousand, five hundred fourteen".