212132434 has 8 divisors (see below), whose sum is σ = 320225868. Its totient is φ = 105390480.

The previous prime is 212132429. The next prime is 212132449. The reversal of 212132434 is 434231212.

It can be written as a sum of positive squares in 2 ways, for example, as 210685225 + 1447209 = 14515^2 + 1203^2 .

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

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, 337477 + ... + 338104.

Almost surely, 2^212132434 is an apocalyptic number.

212132434 is a deficient number, since it is larger than the sum of its proper divisors (108093434).

212132434 is a wasteful number, since it uses less digits than its factorization.

212132434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675740.

The product of its digits is 1152, while the sum is 22.

The square root of 212132434 is about 14564.7668707741. The cubic root of 212132434 is about 596.3973316342.

Adding to 212132434 its reverse (434231212), we get a palindrome (646363646).

The spelling of 212132434 in words is "two hundred twelve million, one hundred thirty-two thousand, four hundred thirty-four".