213134234120 has 64 divisors (see below), whose sum is σ = 481037356800. Its totient is φ = 84990062080.

The previous prime is 213134234107. The next prime is 213134234129. The reversal of 213134234120 is 21432431312.

It is a self number, because there is not a number n which added to its sum of digits gives 213134234120.

It is not an unprimeable number, because it can be changed into a prime (213134234129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17738915 + ... + 17750925.

It is an arithmetic number, because the mean of its divisors is an integer number (7516208700).

Almost surely, 2^213134234120 is an apocalyptic number.

213134234120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213134234120 is an abundant number, since it is smaller than the sum of its proper divisors (267903122680).

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

213134234120 is a wasteful number, since it uses less digits than its factorization.

213134234120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13358 (or 13354 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213134234120 its reverse (21432431312), we get a palindrome (234566665432).

The spelling of 213134234120 in words is "two hundred thirteen billion, one hundred thirty-four million, two hundred thirty-four thousand, one hundred twenty".