12231115005 has 48 divisors (see below), whose sum is σ = 21134710080. Its totient is φ = 6036097536.

The previous prime is 12231114977. The next prime is 12231115019. The reversal of 12231115005 is 50051113221.

It is not a de Polignac number, because 12231115005 - 2¹² = 12231110909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206581 + ... + 259109.

It is an arithmetic number, because the mean of its divisors is an integer number (440306460).

Almost surely, 2^12231115005 is an apocalyptic number.

12231115005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12231115005 is a deficient number, since it is larger than the sum of its proper divisors (8903595075).

12231115005 is a wasteful number, since it uses less digits than its factorization.

12231115005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52618 (or 52599 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 12231115005 its reverse (50051113221), we get a palindrome (62282228226).

The spelling of 12231115005 in words is "twelve billion, two hundred thirty-one million, one hundred fifteen thousand, five".