12321652777 has 8 divisors (see below), whose sum is σ = 14132728256. Its totient is φ = 10523287152.

The previous prime is 12321652753. The next prime is 12321652789. The reversal of 12321652777 is 77725612321.

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

It is a de Polignac number, because none of the positive numbers 2^k-12321652777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321652877) 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, 3175383 + ... + 3179260.

It is an arithmetic number, because the mean of its divisors is an integer number (1766591032).

Almost surely, 2^12321652777 is an apocalyptic number.

It is an amenable number.

12321652777 is a deficient number, since it is larger than the sum of its proper divisors (1811075479).

12321652777 is an equidigital number, since it uses as much as digits as its factorization.

12321652777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354927.

The product of its digits is 246960, while the sum is 43.

The spelling of 12321652777 in words is "twelve billion, three hundred twenty-one million, six hundred fifty-two thousand, seven hundred seventy-seven".