211242350012 has 12 divisors (see below), whose sum is σ = 370143843720. Its totient is φ = 105486966096.

The previous prime is 211242350009. The next prime is 211242350017. The reversal of 211242350012 is 210053242112.

It is a self number, because there is not a number n which added to its sum of digits gives 211242350012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211242350017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33548687 + ... + 33554982.

It is an arithmetic number, because the mean of its divisors is an integer number (30845320310).

Almost surely, 2^211242350012 is an apocalyptic number.

It is an amenable number.

211242350012 is a deficient number, since it is larger than the sum of its proper divisors (158901493708).

211242350012 is a wasteful number, since it uses less digits than its factorization.

211242350012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67104460 (or 67104458 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 211242350012 its reverse (210053242112), we get a palindrome (421295592124).

The spelling of 211242350012 in words is "two hundred eleven billion, two hundred forty-two million, three hundred fifty thousand, twelve".