12263052666 has 16 divisors (see below), whose sum is σ = 24604467264. Its totient is φ = 4074623904.

The previous prime is 12263052661. The next prime is 12263052667. The reversal of 12263052666 is 66625036221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12263052661) 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, 3263046 + ... + 3266801.

It is an arithmetic number, because the mean of its divisors is an integer number (1537779204).

Almost surely, 2^12263052666 is an apocalyptic number.

12263052666 is an abundant number, since it is smaller than the sum of its proper divisors (12341414598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12263052666 is a wasteful number, since it uses less digits than its factorization.

12263052666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530165.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 12263052666 its reverse (66625036221), we get a palindrome (78888088887).

The spelling of 12263052666 in words is "twelve billion, two hundred sixty-three million, fifty-two thousand, six hundred sixty-six".