12189803405749 has 16 divisors (see below), whose sum is σ = 12538386995904. Its totient is φ = 11843717392000.

The previous prime is 12189803405711. The next prime is 12189803405783. The reversal of 12189803405749 is 94750430898121.

12189803405749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12189803405749 - 2²⁵ = 12189769851317 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 (12189803405789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17081202 + ... + 17780524.

It is an arithmetic number, because the mean of its divisors is an integer number (783649187244).

Almost surely, 2^{12189803405749} is an apocalyptic number.

It is an amenable number.

12189803405749 is a deficient number, since it is larger than the sum of its proper divisors (348583590155).

12189803405749 is a wasteful number, since it uses less digits than its factorization.

12189803405749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701108.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 12189803405749 in words is "twelve trillion, one hundred eighty-nine billion, eight hundred three million, four hundred five thousand, seven hundred forty-nine".