12303115542 has 32 divisors (see below), whose sum is σ = 27359560800. Its totient is φ = 4098142944.

The previous prime is 12303115537. The next prime is 12303115547. The reversal of 12303115542 is 24551130321.

12303115542 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 115 + 542 = 666.

12303115542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12303115537) and next prime (12303115547).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303115547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553 + ... + 156884.

It is an arithmetic number, because the mean of its divisors is an integer number (854986275).

Almost surely, 2^12303115542 is an apocalyptic number.

12303115542 is an abundant number, since it is smaller than the sum of its proper divisors (15056445258).

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

12303115542 is a wasteful number, since it uses less digits than its factorization.

12303115542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160877 (or 160871 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 12303115542 its reverse (24551130321), we get a palindrome (36854245863).

The spelling of 12303115542 in words is "twelve billion, three hundred three million, one hundred fifteen thousand, five hundred forty-two".