12111313109 has 8 divisors (see below), whose sum is σ = 13877086080. Its totient is φ = 10354436496.

The previous prime is 12111313103. The next prime is 12111313129. The reversal of 12111313109 is 90131311121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111313109 - 2¹² = 12111309013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111313103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221169 + ... + 2226614.

It is an arithmetic number, because the mean of its divisors is an integer number (1734635760).

Almost surely, 2^12111313109 is an apocalyptic number.

It is an amenable number.

12111313109 is a deficient number, since it is larger than the sum of its proper divisors (1765772971).

12111313109 is an equidigital number, since it uses as much as digits as its factorization.

12111313109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448179.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 12111313109 in words is "twelve billion, one hundred eleven million, three hundred thirteen thousand, one hundred nine".