912111201 has 12 divisors (see below), whose sum is σ = 1318026112. Its totient is φ = 607828536.

The previous prime is 912111199. The next prime is 912111209. The reversal of 912111201 is 102111219.

It is a happy number.

It is not a de Polignac number, because 912111201 - 2¹ = 912111199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912111209) 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 11 ways as a sum of consecutive naturals, for example, 4680 + ... + 42966.

Almost surely, 2^912111201 is an apocalyptic number.

It is an amenable number.

912111201 is a deficient number, since it is larger than the sum of its proper divisors (405914911).

912111201 is a wasteful number, since it uses less digits than its factorization.

912111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40940 (or 40937 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 912111201 is about 30201.1788014971. The cubic root of 912111201 is about 969.8009302045.

Adding to 912111201 its sum of digits (18), we get a palindrome (912111219).

The spelling of 912111201 in words is "nine hundred twelve million, one hundred eleven thousand, two hundred one".