12261110799 has 48 divisors (see below), whose sum is σ = 20046526080. Its totient is φ = 6628184640.

The previous prime is 12261110713. The next prime is 12261110839. The reversal of 12261110799 is 99701116221.

It is not a de Polignac number, because 12261110799 - 2⁷ = 12261110671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261110399) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2262417 + ... + 2267829.

It is an arithmetic number, because the mean of its divisors is an integer number (417635960).

Almost surely, 2^12261110799 is an apocalyptic number.

12261110799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12261110799 is a deficient number, since it is larger than the sum of its proper divisors (7785415281).

12261110799 is a wasteful number, since it uses less digits than its factorization.

12261110799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 12261110799 in words is "twelve billion, two hundred sixty-one million, one hundred ten thousand, seven hundred ninety-nine".