201212313031230 has 128 divisors (see below), whose sum is σ = 497948587637760. Its totient is φ = 52014925025280.

The previous prime is 201212313031189. The next prime is 201212313031259. The reversal of 201212313031230 is 32130313212102.

It is a self number, because there is not a number n which added to its sum of digits gives 201212313031230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45442695 + ... + 49673565.

It is an arithmetic number, because the mean of its divisors is an integer number (3890223340920).

Almost surely, 2^{201212313031230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201212313031230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248974293818880).

201212313031230 is an abundant number, since it is smaller than the sum of its proper divisors (296736274606530).

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

201212313031230 is a wasteful number, since it uses less digits than its factorization.

201212313031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231314.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 201212313031230 its reverse (32130313212102), we get a palindrome (233342626243332).

The spelling of 201212313031230 in words is "two hundred one trillion, two hundred twelve billion, three hundred thirteen million, thirty-one thousand, two hundred thirty".