212120240302 has 16 divisors (see below), whose sum is σ = 319090268160. Its totient is φ = 105756896088.

The previous prime is 212120240273. The next prime is 212120240393. The reversal of 212120240302 is 203042021212.

212120240302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212120240302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7330699 + ... + 7359577.

It is an arithmetic number, because the mean of its divisors is an integer number (19943141760).

Almost surely, 2^212120240302 is an apocalyptic number.

212120240302 is a deficient number, since it is larger than the sum of its proper divisors (106970027858).

212120240302 is a wasteful number, since it uses less digits than its factorization.

212120240302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39255.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212120240302 its reverse (203042021212), we get a palindrome (415162261514).

The spelling of 212120240302 in words is "two hundred twelve billion, one hundred twenty million, two hundred forty thousand, three hundred two".