12116742077 has 4 divisors (see below), whose sum is σ = 13218264096. Its totient is φ = 11015220060.

The previous prime is 12116742059. The next prime is 12116742089. The reversal of 12116742077 is 77024761121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12116742077 - 2²² = 12112547773 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 12116742077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116742017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550760993 + ... + 550761014.

It is an arithmetic number, because the mean of its divisors is an integer number (3304566024).

Almost surely, 2^12116742077 is an apocalyptic number.

It is an amenable number.

12116742077 is a deficient number, since it is larger than the sum of its proper divisors (1101522019).

12116742077 is a wasteful number, since it uses less digits than its factorization.

12116742077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101522018.

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 12116742077 in words is "twelve billion, one hundred sixteen million, seven hundred forty-two thousand, seventy-seven".