8912112001 has 4 divisors (see below), whose sum is σ = 9597659092. Its totient is φ = 8226564912.

The previous prime is 8912111993. The next prime is 8912112019. The reversal of 8912112001 is 1002112198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1002112198 = 2 ⋅501056099.

It can be written as a sum of positive squares in 2 ways, for example, as 5776000000 + 3136112001 = 76000^2 + 56001^2 .

It is a cyclic number.

It is not a de Polignac number, because 8912112001 - 2³ = 8912111993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8912112101) 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, 342773526 + ... + 342773551.

It is an arithmetic number, because the mean of its divisors is an integer number (2399414773).

Almost surely, 2^8912112001 is an apocalyptic number.

It is an amenable number.

8912112001 is a deficient number, since it is larger than the sum of its proper divisors (685547091).

8912112001 is a wasteful number, since it uses less digits than its factorization.

8912112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685547090.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 8912112001 is about 94403.9829721183. The cubic root of 8912112001 is about 2073.2907587649.

Adding to 8912112001 its reverse (1002112198), we get a palindrome (9914224199).

The spelling of 8912112001 in words is "eight billion, nine hundred twelve million, one hundred twelve thousand, one".