212432334 has 16 divisors (see below), whose sum is σ = 426252288. Its totient is φ = 70579512.

The previous prime is 212432333. The next prime is 212432377. The reversal of 212432334 is 433234212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55822 + ... + 59505.

It is an arithmetic number, because the mean of its divisors is an integer number (26640768).

Almost surely, 2^212432334 is an apocalyptic number.

212432334 is an abundant number, since it is smaller than the sum of its proper divisors (213819954).

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

212432334 is a wasteful number, since it uses less digits than its factorization.

212432334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115639.

The product of its digits is 3456, while the sum is 24.

The square root of 212432334 is about 14575.0586276694. The cubic root of 212432334 is about 596.6782494483.

Adding to 212432334 its reverse (433234212), we get a palindrome (645666546).

The spelling of 212432334 in words is "two hundred twelve million, four hundred thirty-two thousand, three hundred thirty-four".