212424110520 has 32 divisors (see below), whose sum is σ = 637272331920. Its totient is φ = 56646429440.

The previous prime is 212424110519. The next prime is 212424110557. The reversal of 212424110520 is 25011424212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885100341 + ... + 885100580.

Almost surely, 2^212424110520 is an apocalyptic number.

212424110520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212424110520 is an abundant number, since it is smaller than the sum of its proper divisors (424848221400).

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

212424110520 is a wasteful number, since it uses less digits than its factorization.

212424110520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770200935 (or 1770200931 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 212424110520 its reverse (25011424212), we get a palindrome (237435534732).

The spelling of 212424110520 in words is "two hundred twelve billion, four hundred twenty-four million, one hundred ten thousand, five hundred twenty".