13120424530 has 16 divisors (see below), whose sum is σ = 23837483520. Its totient is φ = 5199121072.

The previous prime is 13120424507. The next prime is 13120424533. The reversal of 13120424530 is 3542402131.

It is a junction number, because it is equal to n+sod(n) for n = 13120424495 and 13120424504.

It is not an unprimeable number, because it can be changed into a prime (13120424533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6129970 + ... + 6132109.

It is an arithmetic number, because the mean of its divisors is an integer number (1489842720).

Almost surely, 2^13120424530 is an apocalyptic number.

13120424530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13120424530 is a deficient number, since it is larger than the sum of its proper divisors (10717058990).

13120424530 is a wasteful number, since it uses less digits than its factorization.

13120424530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12262193.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13120424530 its reverse (3542402131), we get a palindrome (16662826661).

The spelling of 13120424530 in words is "thirteen billion, one hundred twenty million, four hundred twenty-four thousand, five hundred thirty".