212341442 has 4 divisors (see below), whose sum is σ = 318512166. Its totient is φ = 106170720.

The previous prime is 212341421. The next prime is 212341447. The reversal of 212341442 is 244143212.

212341442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 210801361 + 1540081 = 14519^2 + 1241^2 .

It is not an unprimeable number, because it can be changed into a prime (212341447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53085359 + ... + 53085362.

Almost surely, 2^212341442 is an apocalyptic number.

212341442 is a deficient number, since it is larger than the sum of its proper divisors (106170724).

212341442 is a wasteful number, since it uses less digits than its factorization.

212341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106170723.

The product of its digits is 1536, while the sum is 23.

The square root of 212341442 is about 14571.9402277116. The cubic root of 212341442 is about 596.5931383997.

Adding to 212341442 its reverse (244143212), we get a palindrome (456484654).

The spelling of 212341442 in words is "two hundred twelve million, three hundred forty-one thousand, four hundred forty-two".