201221230132302 has 16 divisors (see below), whose sum is σ = 402442779147600. Its totient is φ = 67073690230272.

The previous prime is 201221230132249. The next prime is 201221230132309. The reversal of 201221230132302 is 203231032122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221230132309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4651873 + ... + 20593260.

It is an arithmetic number, because the mean of its divisors is an integer number (25152673696725).

Almost surely, 2^{201221230132302} is an apocalyptic number.

201221230132302 is an abundant number, since it is smaller than the sum of its proper divisors (201221549015298).

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

201221230132302 is a wasteful number, since it uses less digits than its factorization.

201221230132302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26573587.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 201221230132302 its reverse (203231032122102), we get a palindrome (404452262254404).

The spelling of 201221230132302 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred thirty million, one hundred thirty-two thousand, three hundred two".