212272342 has 8 divisors (see below), whose sum is σ = 319035600. Its totient is φ = 105927144.

The previous prime is 212272339. The next prime is 212272343. The reversal of 212272342 is 243272212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212272343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 103242 + ... + 105277.

It is an arithmetic number, because the mean of its divisors is an integer number (39879450).

Almost surely, 2^212272342 is an apocalyptic number.

212272342 is a deficient number, since it is larger than the sum of its proper divisors (106763258).

212272342 is a wasteful number, since it uses less digits than its factorization.

212272342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209030.

The product of its digits is 2688, while the sum is 25.

The square root of 212272342 is about 14569.5690396113. The cubic root of 212272342 is about 596.5284170747.

The spelling of 212272342 in words is "two hundred twelve million, two hundred seventy-two thousand, three hundred forty-two".