212024378682 has 20 divisors (see below), whose sum is σ = 475091663706. Its totient is φ = 70674792840.

The previous prime is 212024378633. The next prime is 212024378711. The reversal of 212024378682 is 286873420212.

212024378682 is a `hidden beast` number, since 2 + 1 + 202 + 437 + 8 + 6 + 8 + 2 = 666.

212024378682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 201440290041 + 10584088641 = 448821^2 + 102879^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 654396069 + ... + 654396392.

Almost surely, 2^212024378682 is an apocalyptic number.

212024378682 is an abundant number, since it is smaller than the sum of its proper divisors (263067285024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212024378682 is a wasteful number, since it uses less digits than its factorization.

212024378682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308792475 (or 1308792466 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

Adding to 212024378682 its reverse (286873420212), we get a palindrome (498897798894).

The spelling of 212024378682 in words is "two hundred twelve billion, twenty-four million, three hundred seventy-eight thousand, six hundred eighty-two".