212032042 has 4 divisors (see below), whose sum is σ = 318048066. Its totient is φ = 106016020.

The previous prime is 212032013. The next prime is 212032061. The reversal of 212032042 is 240230212.

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., 211440681 + 591361 = 14541^2 + 769^2 .

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 as a sum of consecutive naturals, namely, 53008009 + ... + 53008012.

Almost surely, 2^212032042 is an apocalyptic number.

212032042 is a deficient number, since it is larger than the sum of its proper divisors (106016024).

212032042 is a wasteful number, since it uses less digits than its factorization.

212032042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106016023.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 212032042 is about 14561.3200637854. The cubic root of 212032042 is about 596.3032348047.

Adding to 212032042 its reverse (240230212), we get a palindrome (452262254).

The spelling of 212032042 in words is "two hundred twelve million, thirty-two thousand, forty-two".