212135514 has 8 divisors (see below), whose sum is σ = 424271040. Its totient is φ = 70711836.

The previous prime is 212135507. The next prime is 212135519. The reversal of 212135514 is 415531212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

212135514 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212135519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17677954 + ... + 17677965.

It is an arithmetic number, because the mean of its divisors is an integer number (53033880).

Almost surely, 2^212135514 is an apocalyptic number.

212135514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212135514 is a wasteful number, since it uses less digits than its factorization.

212135514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35355924.

The product of its digits is 1200, while the sum is 24.

The square root of 212135514 is about 14564.8726050041. The cubic root of 212135514 is about 596.4002180307.

Adding to 212135514 its reverse (415531212), we get a palindrome (627666726).

The spelling of 212135514 in words is "two hundred twelve million, one hundred thirty-five thousand, five hundred fourteen".