12130231043242 has 16 divisors (see below), whose sum is σ = 19887451127712. Its totient is φ = 5515007454000.

The previous prime is 12130231043209. The next prime is 12130231043269. The reversal of 12130231043242 is 24234013203121.

It is a super-3 number, since 3×12130231043242³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12130231043242.

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, 3481694884 + ... + 3481698367.

It is an arithmetic number, because the mean of its divisors is an integer number (1242965695482).

Almost surely, 2^{12130231043242} is an apocalyptic number.

12130231043242 is a deficient number, since it is larger than the sum of its proper divisors (7757220084470).

12130231043242 is a wasteful number, since it uses less digits than its factorization.

12130231043242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963393333.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12130231043242 its reverse (24234013203121), we get a palindrome (36364244246363).

The spelling of 12130231043242 in words is "twelve trillion, one hundred thirty billion, two hundred thirty-one million, forty-three thousand, two hundred forty-two".