13120420242303 has 18 divisors (see below), whose sum is σ = 20831227365312. Its totient is φ = 7951769843160.

The previous prime is 13120420242269. The next prime is 13120420242383. The reversal of 13120420242303 is 30324202402131.

13120420242303 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 420 + 2 + 4 + 230 + 3 = 666.

It is not a de Polignac number, because 13120420242303 - 2⁶ = 13120420242239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120420242383) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6024066975 + ... + 6024069152.

It is an arithmetic number, because the mean of its divisors is an integer number (1157290409184).

Almost surely, 2^{13120420242303} is an apocalyptic number.

13120420242303 is a deficient number, since it is larger than the sum of its proper divisors (7710807123009).

13120420242303 is a wasteful number, since it uses less digits than its factorization.

13120420242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12048136155 (or 12048136141 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13120420242303 its reverse (30324202402131), we get a palindrome (43444622644434).

The spelling of 13120420242303 in words is "thirteen trillion, one hundred twenty billion, four hundred twenty million, two hundred forty-two thousand, three hundred three".