212230320402 has 8 divisors (see below), whose sum is σ = 424460640816. Its totient is φ = 70743440132.

The previous prime is 212230320391. The next prime is 212230320403. The reversal of 212230320402 is 204023032212.

It is a sphenic number, since it is the product of 3 distinct primes.

212230320402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212230320403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17685860028 + ... + 17685860039.

It is an arithmetic number, because the mean of its divisors is an integer number (53057580102).

Almost surely, 2^212230320402 is an apocalyptic number.

212230320402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212230320402 is a wasteful number, since it uses less digits than its factorization.

212230320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35371720072.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 212230320402 its reverse (204023032212), we get a palindrome (416253352614).

The spelling of 212230320402 in words is "two hundred twelve billion, two hundred thirty million, three hundred twenty thousand, four hundred two".