12231040851 has 32 divisors (see below), whose sum is σ = 18547315200. Its totient is φ = 7963915680.

The previous prime is 12231040849. The next prime is 12231040853. The reversal of 12231040851 is 15804013221.

It is an interprime number because it is at equal distance from previous prime (12231040849) and next prime (12231040853).

It is not a de Polignac number, because 12231040851 - 2¹ = 12231040849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12231040853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175305 + ... + 234933.

It is an arithmetic number, because the mean of its divisors is an integer number (579603600).

Almost surely, 2^12231040851 is an apocalyptic number.

12231040851 is a deficient number, since it is larger than the sum of its proper divisors (6316274349).

12231040851 is a wasteful number, since it uses less digits than its factorization.

12231040851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59816 (or 59810 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 12231040851 in words is "twelve billion, two hundred thirty-one million, forty thousand, eight hundred fifty-one".