212201342 has 8 divisors (see below), whose sum is σ = 319143000. Its totient is φ = 105820344.

The previous prime is 212201333. The next prime is 212201351. The reversal of 212201342 is 243102212.

It is an interprime number because it is at equal distance from previous prime (212201333) and next prime (212201351).

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

It is a self number, because there is not a number n which added to its sum of digits gives 212201342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139217 + ... + 140732.

It is an arithmetic number, because the mean of its divisors is an integer number (39892875).

Almost surely, 2^212201342 is an apocalyptic number.

212201342 is a deficient number, since it is larger than the sum of its proper divisors (106941658).

212201342 is a wasteful number, since it uses less digits than its factorization.

212201342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280330.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212201342 is about 14567.1322503779. The cubic root of 212201342 is about 596.4619015156.

Adding to 212201342 its reverse (243102212), we get a palindrome (455303554).

The spelling of 212201342 in words is "two hundred twelve million, two hundred one thousand, three hundred forty-two".