212146043064 has 32 divisors (see below), whose sum is σ = 547473661440. Its totient is φ = 68434207200.

The previous prime is 212146043041. The next prime is 212146043077. The reversal of 212146043064 is 460340641212.

It is a happy number.

212146043064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 142570522 + ... + 142572009.

It is an arithmetic number, because the mean of its divisors is an integer number (17108551920).

Almost surely, 2^212146043064 is an apocalyptic number.

212146043064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212146043064 is an abundant number, since it is smaller than the sum of its proper divisors (335327618376).

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

212146043064 is a wasteful number, since it uses less digits than its factorization.

212146043064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285142571 (or 285142567 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 212146043064 its reverse (460340641212), we get a palindrome (672486684276).

The spelling of 212146043064 in words is "two hundred twelve billion, one hundred forty-six million, forty-three thousand, sixty-four".