212130133320 has 128 divisors (see below), whose sum is σ = 732120330240. Its totient is φ = 48165753600.

The previous prime is 212130133291. The next prime is 212130133349. The reversal of 212130133320 is 23331031212.

212130133320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212130133291) and next prime (212130133349).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 709372 + ... + 963051.

It is an arithmetic number, because the mean of its divisors is an integer number (5719690080).

Almost surely, 2^212130133320 is an apocalyptic number.

212130133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212130133320 is an abundant number, since it is smaller than the sum of its proper divisors (519990196920).

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

212130133320 is a wasteful number, since it uses less digits than its factorization.

212130133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672595 (or 1672591 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212130133320 its reverse (23331031212), we get a palindrome (235461164532).

The spelling of 212130133320 in words is "two hundred twelve billion, one hundred thirty million, one hundred thirty-three thousand, three hundred twenty".