213045420212 has 12 divisors (see below), whose sum is σ = 372924404580. Its totient is φ = 106495590336.

The previous prime is 213045420187. The next prime is 213045420221. The reversal of 213045420212 is 212024540312.

213045420212 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 2 ways, for example, as 79583795236 + 133461624976 = 282106^2 + 365324^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6762263 + ... + 6793694.

It is an arithmetic number, because the mean of its divisors is an integer number (31077033715).

Almost surely, 2^213045420212 is an apocalyptic number.

It is an amenable number.

213045420212 is a deficient number, since it is larger than the sum of its proper divisors (159878984368).

213045420212 is a wasteful number, since it uses less digits than its factorization.

213045420212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559890 (or 13559888 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 213045420212 its reverse (212024540312), we get a palindrome (425069960524).

The spelling of 213045420212 in words is "two hundred thirteen billion, forty-five million, four hundred twenty thousand, two hundred twelve".