212541420004284 has 48 divisors (see below), whose sum is σ = 566778672633600. Its totient is φ = 60725953648896.

The previous prime is 212541420004271. The next prime is 212541420004327. The reversal of 212541420004284 is 482400024145212.

It is a super-3 number, since 3×212541420004284³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29202787 + ... + 35747525.

It is an arithmetic number, because the mean of its divisors is an integer number (11807889013200).

Almost surely, 2^{212541420004284} is an apocalyptic number.

It is an amenable number.

212541420004284 is an abundant number, since it is smaller than the sum of its proper divisors (354237252629316).

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

212541420004284 is a wasteful number, since it uses less digits than its factorization.

212541420004284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931362 (or 6931360 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 39.

Adding to 212541420004284 its reverse (482400024145212), we get a palindrome (694941444149496).

The spelling of 212541420004284 in words is "two hundred twelve trillion, five hundred forty-one billion, four hundred twenty million, four thousand, two hundred eighty-four".