13120210128 has 40 divisors (see below), whose sum is σ = 33899296576. Its totient is φ = 4372704000.

The previous prime is 13120210123. The next prime is 13120210133. The reversal of 13120210128 is 82101202131.

It is an interprime number because it is at equal distance from previous prime (13120210123) and next prime (13120210133).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120210121) 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, 344853 + ... + 381003.

Almost surely, 2^13120210128 is an apocalyptic number.

It is an amenable number.

13120210128 is an abundant number, since it is smaller than the sum of its proper divisors (20779086448).

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

13120210128 is a wasteful number, since it uses less digits than its factorization.

13120210128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43723 (or 43717 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 13120210128 its reverse (82101202131), we get a palindrome (95221412259).

The spelling of 13120210128 in words is "thirteen billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-eight".