212110552544 has 48 divisors (see below), whose sum is σ = 457177026096. Its totient is φ = 96070732800.

The previous prime is 212110552543. The next prime is 212110552571. The reversal of 212110552544 is 445255011212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 212110552544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110552543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973307 + ... + 1171130.

It is an arithmetic number, because the mean of its divisors is an integer number (9524521377).

Almost surely, 2^212110552544 is an apocalyptic number.

It is an amenable number.

212110552544 is an abundant number, since it is smaller than the sum of its proper divisors (245066473552).

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

212110552544 is a wasteful number, since it uses less digits than its factorization.

212110552544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144739 (or 2144731 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 212110552544 its reverse (445255011212), we get a palindrome (657365563756).

The spelling of 212110552544 in words is "two hundred twelve billion, one hundred ten million, five hundred fifty-two thousand, five hundred forty-four".