212103550522 has 16 divisors (see below), whose sum is σ = 318385215360. Its totient is φ = 105975178848.

The previous prime is 212103550441. The next prime is 212103550543. The reversal of 212103550522 is 225055301212.

212103550522 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212103550522² (a number of 23 digits) contains 22 as substring.

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, 20653633 + ... + 20663899.

It is an arithmetic number, because the mean of its divisors is an integer number (19899075960).

Almost surely, 2^212103550522 is an apocalyptic number.

212103550522 is a deficient number, since it is larger than the sum of its proper divisors (106281664838).

212103550522 is a wasteful number, since it uses less digits than its factorization.

212103550522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16725.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 212103550522 its reverse (225055301212), we get a palindrome (437158851734).

The spelling of 212103550522 in words is "two hundred twelve billion, one hundred three million, five hundred fifty thousand, five hundred twenty-two".