201220130212320 has 96 divisors (see below), whose sum is σ = 639658487492640. Its totient is φ = 53166419712000.

The previous prime is 201220130212291. The next prime is 201220130212327. The reversal of 201220130212320 is 23212031022102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220130212327) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1922922931 + ... + 1923027570.

It is an arithmetic number, because the mean of its divisors is an integer number (6663109244715).

Almost surely, 2^{201220130212320} is an apocalyptic number.

201220130212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220130212320 is an abundant number, since it is smaller than the sum of its proper divisors (438438357280320).

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

201220130212320 is a wasteful number, since it uses less digits than its factorization.

201220130212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845950628 (or 3845950620 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201220130212320 its reverse (23212031022102), we get a palindrome (224432161234422).

The spelling of 201220130212320 in words is "two hundred one trillion, two hundred twenty billion, one hundred thirty million, two hundred twelve thousand, three hundred twenty".