201320012 has 12 divisors (see below), whose sum is σ = 367628016. Its totient is φ = 96283440.

The previous prime is 201319969. The next prime is 201320033. The reversal of 201320012 is 210023102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201319975 and 201320002.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1094039 + ... + 1094222.

It is an arithmetic number, because the mean of its divisors is an integer number (30635668).

Almost surely, 2^201320012 is an apocalyptic number.

It is an amenable number.

201320012 is a deficient number, since it is larger than the sum of its proper divisors (166308004).

201320012 is a wasteful number, since it uses less digits than its factorization.

201320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188288 (or 2188286 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201320012 is about 14188.7283433012. The cubic root of 201320012 is about 586.0873069760.

Adding to 201320012 its reverse (210023102), we get a palindrome (411343114).

The spelling of 201320012 in words is "two hundred one million, three hundred twenty thousand, twelve".