13131240121124 has 24 divisors (see below), whose sum is σ = 24362056658688. Its totient is φ = 6182100839520.

The previous prime is 13131240121091. The next prime is 13131240121141. The reversal of 13131240121124 is 42112104213131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13131240121093 and 13131240121102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431037274 + ... + 1431046449.

It is an arithmetic number, because the mean of its divisors is an integer number (1015085694112).

Almost surely, 2^{13131240121124} is an apocalyptic number.

It is an amenable number.

13131240121124 is a deficient number, since it is larger than the sum of its proper divisors (11230816537564).

13131240121124 is a wasteful number, since it uses less digits than its factorization.

13131240121124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862083795 (or 2862083793 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 13131240121124 its reverse (42112104213131), we get a palindrome (55243344334255).

The spelling of 13131240121124 in words is "thirteen trillion, one hundred thirty-one billion, two hundred forty million, one hundred twenty-one thousand, one hundred twenty-four".