212410021042 has 16 divisors (see below), whose sum is σ = 321788638080. Its totient is φ = 105147656352.

The previous prime is 212410021037. The next prime is 212410021049. The reversal of 212410021042 is 240120014212.

It is not an unprimeable number, because it can be changed into a prime (212410021049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712459 + ... + 965617.

It is an arithmetic number, because the mean of its divisors is an integer number (20111789880).

Almost surely, 2^212410021042 is an apocalyptic number.

212410021042 is a deficient number, since it is larger than the sum of its proper divisors (109378617038).

212410021042 is a wasteful number, since it uses less digits than its factorization.

212410021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257337.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212410021042 its reverse (240120014212), we get a palindrome (452530035254).

The spelling of 212410021042 in words is "two hundred twelve billion, four hundred ten million, twenty-one thousand, forty-two".