212535520911 has 48 divisors (see below), whose sum is σ = 356003900928. Its totient is φ = 119667643200.

The previous prime is 212535520909. The next prime is 212535520921. The reversal of 212535520911 is 119025535212.

212535520911 is a `hidden beast` number, since 2 + 12 + 5 + 3 + 552 + 0 + 91 + 1 = 666.

It is not a de Polignac number, because 212535520911 - 2¹ = 212535520909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212535520921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8087485 + ... + 8113721.

It is an arithmetic number, because the mean of its divisors is an integer number (7416747936).

Almost surely, 2^212535520911 is an apocalyptic number.

212535520911 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212535520911 is a deficient number, since it is larger than the sum of its proper divisors (143468380017).

212535520911 is a wasteful number, since it uses less digits than its factorization.

212535520911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28132 (or 28129 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 212535520911 in words is "two hundred twelve billion, five hundred thirty-five million, five hundred twenty thousand, nine hundred eleven".