201012203312305 has 32 divisors (see below), whose sum is σ = 318425442935040. Its totient is φ = 117935349227520.

The previous prime is 201012203312303. The next prime is 201012203312387. The reversal of 201012203312305 is 503213302210102.

It is not a de Polignac number, because 201012203312305 - 2¹ = 201012203312303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201012203312305.

It is not an unprimeable number, because it can be changed into a prime (201012203312303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15356158720 + ... + 15356171809.

It is an arithmetic number, because the mean of its divisors is an integer number (9950795091720).

Almost surely, 2^{201012203312305} is an apocalyptic number.

It is an amenable number.

201012203312305 is a deficient number, since it is larger than the sum of its proper divisors (117413239622735).

201012203312305 is a wasteful number, since it uses less digits than its factorization.

201012203312305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30712330569.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 201012203312305 its reverse (503213302210102), we get a palindrome (704225505522407).

The spelling of 201012203312305 in words is "two hundred one trillion, twelve billion, two hundred three million, three hundred twelve thousand, three hundred five".