201330312122 has 16 divisors (see below), whose sum is σ = 302239072032. Its totient is φ = 100583992080.

The previous prime is 201330312121. The next prime is 201330312149. The reversal of 201330312122 is 221213033102.

201330312122 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201330312094 and 201330312103.

It is not an unprimeable number, because it can be changed into a prime (201330312121) 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 7 ways as a sum of consecutive naturals, for example, 15476873 + ... + 15489875.

It is an arithmetic number, because the mean of its divisors is an integer number (18889942002).

Almost surely, 2^201330312122 is an apocalyptic number.

201330312122 is a deficient number, since it is larger than the sum of its proper divisors (100908759910).

201330312122 is a wasteful number, since it uses less digits than its factorization.

201330312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18653.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201330312122 its reverse (221213033102), we get a palindrome (422543345224).

The spelling of 201330312122 in words is "two hundred one billion, three hundred thirty million, three hundred twelve thousand, one hundred twenty-two".