212132510 has 8 divisors (see below), whose sum is σ = 381838536. Its totient is φ = 84853000.

The previous prime is 212132491. The next prime is 212132533. The reversal of 212132510 is 15231212.

It is a happy number.

212132510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 10606616 + ... + 10606635.

It is an arithmetic number, because the mean of its divisors is an integer number (47729817).

Almost surely, 2^212132510 is an apocalyptic number.

212132510 is a deficient number, since it is larger than the sum of its proper divisors (169706026).

212132510 is a wasteful number, since it uses less digits than its factorization.

212132510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213258.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 212132510 is about 14564.7694798098. The cubic root of 212132510 is about 596.3974028574.

Adding to 212132510 its reverse (15231212), we get a palindrome (227363722).

The spelling of 212132510 in words is "two hundred twelve million, one hundred thirty-two thousand, five hundred ten".