212020913504 has 24 divisors (see below), whose sum is σ = 417439910160. Its totient is φ = 106004428416.

The previous prime is 212020913491. The next prime is 212020913509. The reversal of 212020913504 is 405319020212.

212020913504 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 not an unprimeable number, because it can be changed into a prime (212020913509) 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, 412637 + ... + 770915.

It is an arithmetic number, because the mean of its divisors is an integer number (17393329590).

Almost surely, 2^212020913504 is an apocalyptic number.

It is an amenable number.

212020913504 is a deficient number, since it is larger than the sum of its proper divisors (205418996656).

212020913504 is a wasteful number, since it uses less digits than its factorization.

212020913504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376782 (or 376774 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 212020913504 its reverse (405319020212), we get a palindrome (617339933716).

The spelling of 212020913504 in words is "two hundred twelve billion, twenty million, nine hundred thirteen thousand, five hundred four".