12116770247 has 4 divisors (see below), whose sum is σ = 12829521456. Its totient is φ = 11404019040.

The previous prime is 12116770241. The next prime is 12116770291. The reversal of 12116770247 is 74207761121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12116770247 - 2⁸ = 12116769991 is a prime.

It is a super-2 number, since 2×12116770247² (a number of 21 digits) contains 22 as substring.

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 12116770247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116770241) 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, 356375579 + ... + 356375612.

It is an arithmetic number, because the mean of its divisors is an integer number (3207380364).

Almost surely, 2^12116770247 is an apocalyptic number.

12116770247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12116770247 is a deficient number, since it is larger than the sum of its proper divisors (712751209).

12116770247 is an equidigital number, since it uses as much as digits as its factorization.

12116770247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712751208.

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

The spelling of 12116770247 in words is "twelve billion, one hundred sixteen million, seven hundred seventy thousand, two hundred forty-seven".