12206776223 has 4 divisors (see below), whose sum is σ = 12737505648. Its totient is φ = 11676046800.

The previous prime is 12206776217. The next prime is 12206776303. The reversal of 12206776223 is 32267760221.

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 12206776223 - 2¹⁶ = 12206710687 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 (12206776123) 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, 265364678 + ... + 265364723.

It is an arithmetic number, because the mean of its divisors is an integer number (3184376412).

Almost surely, 2^12206776223 is an apocalyptic number.

12206776223 is a deficient number, since it is larger than the sum of its proper divisors (530729425).

12206776223 is an equidigital number, since it uses as much as digits as its factorization.

12206776223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530729424.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 12206776223 in words is "twelve billion, two hundred six million, seven hundred seventy-six thousand, two hundred twenty-three".