212440322130 has 32 divisors (see below), whose sum is σ = 510022051200. Its totient is φ = 56632388352.

The previous prime is 212440322119. The next prime is 212440322131. The reversal of 212440322130 is 31223044212.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212440322130.

It is not an unprimeable number, because it can be changed into a prime (212440322131) 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, 1053550 + ... + 1238889.

It is an arithmetic number, because the mean of its divisors is an integer number (15938189100).

Almost surely, 2^212440322130 is an apocalyptic number.

212440322130 is an abundant number, since it is smaller than the sum of its proper divisors (297581729070).

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

212440322130 is a wasteful number, since it uses less digits than its factorization.

212440322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295538.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212440322130 its reverse (31223044212), we get a palindrome (243663366342).

The spelling of 212440322130 in words is "two hundred twelve billion, four hundred forty million, three hundred twenty-two thousand, one hundred thirty".