212143312232202 has 32 divisors (see below), whose sum is σ = 457028117078400. Its totient is φ = 65259999593280.

The previous prime is 212143312232179. The next prime is 212143312232221. The reversal of 212143312232202 is 202232213341212.

It is a self number, because there is not a number n which added to its sum of digits gives 212143312232202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309357577 + ... + 310042572.

It is an arithmetic number, because the mean of its divisors is an integer number (14282128658700).

Almost surely, 2^{212143312232202} is an apocalyptic number.

212143312232202 is an abundant number, since it is smaller than the sum of its proper divisors (244884804846198).

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

212143312232202 is a wasteful number, since it uses less digits than its factorization.

212143312232202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619404558.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 212143312232202 its reverse (202232213341212), we get a palindrome (414375525573414).

The spelling of 212143312232202 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred twelve million, two hundred thirty-two thousand, two hundred two".