12405142148 has 24 divisors (see below), whose sum is σ = 26269713792. Its totient is φ = 5003754624.

The previous prime is 12405142129. The next prime is 12405142151. The reversal of 12405142148 is 84124150421.

12405142148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13030136 + ... + 13031087.

It is an arithmetic number, because the mean of its divisors is an integer number (1094571408).

Almost surely, 2^12405142148 is an apocalyptic number.

It is an amenable number.

12405142148 is an abundant number, since it is smaller than the sum of its proper divisors (13864571644).

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

12405142148 is a wasteful number, since it uses less digits than its factorization.

12405142148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26061251 (or 26061249 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

Adding to 12405142148 its reverse (84124150421), we get a palindrome (96529292569).

The spelling of 12405142148 in words is "twelve billion, four hundred five million, one hundred forty-two thousand, one hundred forty-eight".