213123132130 has 32 divisors (see below), whose sum is σ = 393362956800. Its totient is φ = 83092797312.

The previous prime is 213123132091. The next prime is 213123132133. The reversal of 213123132130 is 31231321312.

213123132130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213123132133) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 311395 + ... + 723334.

It is an arithmetic number, because the mean of its divisors is an integer number (12292592400).

Almost surely, 2^213123132130 is an apocalyptic number.

213123132130 is a deficient number, since it is larger than the sum of its proper divisors (180239824670).

213123132130 is a wasteful number, since it uses less digits than its factorization.

213123132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035258.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213123132130 its reverse (31231321312), we get a palindrome (244354453442).

The spelling of 213123132130 in words is "two hundred thirteen billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty".