13120250430520 has 16 divisors (see below), whose sum is σ = 29520563468760. Its totient is φ = 5248100172192.

The previous prime is 13120250430499. The next prime is 13120250430541. The reversal of 13120250430520 is 2503405202131.

It is an interprime number because it is at equal distance from previous prime (13120250430499) and next prime (13120250430541).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164003130342 + ... + 164003130421.

Almost surely, 2^{13120250430520} is an apocalyptic number.

13120250430520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120250430520 is an abundant number, since it is smaller than the sum of its proper divisors (16400313038240).

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

13120250430520 is a wasteful number, since it uses less digits than its factorization.

13120250430520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328006260774 (or 328006260770 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13120250430520 its reverse (2503405202131), we get a palindrome (15623655632651).

The spelling of 13120250430520 in words is "thirteen trillion, one hundred twenty billion, two hundred fifty million, four hundred thirty thousand, five hundred twenty".