212152530124240 has 160 divisors (see below), whose sum is σ = 533845102726656. Its totient is φ = 78195622348800.

The previous prime is 212152530124151. The next prime is 212152530124307. The reversal of 212152530124240 is 42421035251212.

It is a junction number, because it is equal to n+sod(n) for n = 212152530124196 and 212152530124205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8550772 + ... + 22302931.

Almost surely, 2^{212152530124240} is an apocalyptic number.

212152530124240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212152530124240 is an abundant number, since it is smaller than the sum of its proper divisors (321692572602416).

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

212152530124240 is a wasteful number, since it uses less digits than its factorization.

212152530124240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30853877 (or 30853871 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 212152530124240 its reverse (42421035251212), we get a palindrome (254573565375452).

The spelling of 212152530124240 in words is "two hundred twelve trillion, one hundred fifty-two billion, five hundred thirty million, one hundred twenty-four thousand, two hundred forty".