12130981777571 has 16 divisors (see below), whose sum is σ = 12569789203776. Its totient is φ = 11699352000000.

The previous prime is 12130981777561. The next prime is 12130981777627. The reversal of 12130981777571 is 17577718903121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12130981777571 - 2¹⁰ = 12130981776547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12130981777571.

It is not an unprimeable number, because it can be changed into a prime (12130981777561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291671 + ... + 4934271.

It is an arithmetic number, because the mean of its divisors is an integer number (785611825236).

Almost surely, 2^{12130981777571} is an apocalyptic number.

12130981777571 is a deficient number, since it is larger than the sum of its proper divisors (438807426205).

12130981777571 is a wasteful number, since it uses less digits than its factorization.

12130981777571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643374.

The product of its (nonzero) digits is 5186160, while the sum is 59.

The spelling of 12130981777571 in words is "twelve trillion, one hundred thirty billion, nine hundred eighty-one million, seven hundred seventy-seven thousand, five hundred seventy-one".