212411550520 has 48 divisors (see below), whose sum is σ = 517517507160. Its totient is φ = 78428877696.

The previous prime is 212411550511. The next prime is 212411550539. The reversal of 212411550520 is 25055114212.

212411550520 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 11 ways as a sum of consecutive naturals, for example, 15704154 + ... + 15717673.

Almost surely, 2^212411550520 is an apocalyptic number.

212411550520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212411550520 is an abundant number, since it is smaller than the sum of its proper divisors (305105956640).

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

212411550520 is a wasteful number, since it uses less digits than its factorization.

212411550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31421864 (or 31421847 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 212411550520 its reverse (25055114212), we get a palindrome (237466664732).

The spelling of 212411550520 in words is "two hundred twelve billion, four hundred eleven million, five hundred fifty thousand, five hundred twenty".