212055234 has 16 divisors (see below), whose sum is σ = 425561472. Its totient is φ = 70443248.

The previous prime is 212055209. The next prime is 212055241. The reversal of 212055234 is 432550212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58554 + ... + 62069.

It is an arithmetic number, because the mean of its divisors is an integer number (26597592).

Almost surely, 2^212055234 is an apocalyptic number.

212055234 is an abundant number, since it is smaller than the sum of its proper divisors (213506238).

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

212055234 is a wasteful number, since it uses less digits than its factorization.

212055234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120921.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 212055234 is about 14562.1163983811. The cubic root of 212055234 is about 596.3249751673.

The spelling of 212055234 in words is "two hundred twelve million, fifty-five thousand, two hundred thirty-four".