201440012 has 12 divisors (see below), whose sum is σ = 354192216. Its totient is φ = 100242240.

The previous prime is 201439933. The next prime is 201440017. The reversal of 201440012 is 210044102.

It is not an unprimeable number, because it can be changed into a prime (201440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118493 + ... + 120180.

It is an arithmetic number, because the mean of its divisors is an integer number (29516018).

Almost surely, 2^201440012 is an apocalyptic number.

It is an amenable number.

201440012 is a deficient number, since it is larger than the sum of its proper divisors (152752204).

201440012 is a wasteful number, since it uses less digits than its factorization.

201440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238888 (or 238886 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 201440012 is about 14192.9564221130. The cubic root of 201440012 is about 586.2037327383.

Adding to 201440012 its reverse (210044102), we get a palindrome (411484114).

The spelling of 201440012 in words is "two hundred one million, four hundred forty thousand, twelve".