212540341542 has 8 divisors (see below), whose sum is σ = 425080683096. Its totient is φ = 70846780512.

The previous prime is 212540341511. The next prime is 212540341547. The reversal of 212540341542 is 245143045212.

212540341542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

212540341542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212540341547) by changing a digit.

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, 17711695123 + ... + 17711695134.

It is an arithmetic number, because the mean of its divisors is an integer number (53135085387).

Almost surely, 2^212540341542 is an apocalyptic number.

212540341542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212540341542 is a wasteful number, since it uses less digits than its factorization.

212540341542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35423390262.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 212540341542 its reverse (245143045212), we get a palindrome (457683386754).

The spelling of 212540341542 in words is "two hundred twelve billion, five hundred forty million, three hundred forty-one thousand, five hundred forty-two".