201100012 has 12 divisors (see below), whose sum is σ = 355553800. Its totient is φ = 99513216.

The previous prime is 201100001. The next prime is 201100013. The reversal of 201100012 is 210001102.

It is a junction number, because it is equal to n+sod(n) for n = 201099968 and 201100004.

It is not an unprimeable number, because it can be changed into a prime (201100013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258762 + ... + 259537.

Almost surely, 2^201100012 is an apocalyptic number.

It is an amenable number.

201100012 is a deficient number, since it is larger than the sum of its proper divisors (154453788).

201100012 is a wasteful number, since it uses less digits than its factorization.

201100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518400 (or 518398 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 201100012 is about 14180.9735914006. The cubic root of 201100012 is about 585.8737395276.

Adding to 201100012 its reverse (210001102), we get a palindrome (411101114).

The spelling of 201100012 in words is "two hundred one million, one hundred thousand, twelve".