212013434120 has 32 divisors (see below), whose sum is σ = 478137064320. Its totient is φ = 84608602560.

The previous prime is 212013434119. The next prime is 212013434159. The reversal of 212013434120 is 21434310212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131642 + ... + 6166121.

It is an arithmetic number, because the mean of its divisors is an integer number (14941783260).

Almost surely, 2^212013434120 is an apocalyptic number.

212013434120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212013434120 is an abundant number, since it is smaller than the sum of its proper divisors (266123630200).

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

212013434120 is a wasteful number, since it uses less digits than its factorization.

212013434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12298205 (or 12298201 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212013434120 its reverse (21434310212), we get a palindrome (233447744332).

The spelling of 212013434120 in words is "two hundred twelve billion, thirteen million, four hundred thirty-four thousand, one hundred twenty".