9012112109 has 32 divisors (see below), whose sum is σ = 12111482880. Its totient is φ = 6476184000.

The previous prime is 9012112099. The next prime is 9012112223.

9012112109 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9012112109 - 2⁴ = 9012112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012112409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1256684 + ... + 1263834.

It is an arithmetic number, because the mean of its divisors is an integer number (378483840).

Almost surely, 2^9012112109 is an apocalyptic number.

It is an amenable number.

9012112109 is a deficient number, since it is larger than the sum of its proper divisors (3099370771).

9012112109 is a wasteful number, since it uses less digits than its factorization.

9012112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 9012112109 is about 94932.1447614031. The cubic root of 9012112109 is about 2081.0165233631.

It can be divided in two parts, 9012 and 112109, that added together give a palindrome (121121).

The spelling of 9012112109 in words is "nine billion, twelve million, one hundred twelve thousand, one hundred nine".