13128311202 has 16 divisors (see below), whose sum is σ = 26315897760. Its totient is φ = 4366224512.

The previous prime is 13128311201. The next prime is 13128311219. The reversal of 13128311202 is 20211382131.

It is not an unprimeable number, because it can be changed into a prime (13128311201) 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, 2466927 + ... + 2472242.

It is an arithmetic number, because the mean of its divisors is an integer number (1644743610).

Almost surely, 2^13128311202 is an apocalyptic number.

13128311202 is an abundant number, since it is smaller than the sum of its proper divisors (13187586558).

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

13128311202 is a wasteful number, since it uses less digits than its factorization.

13128311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939617.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 13128311202 its reverse (20211382131), we get a palindrome (33339693333).

The spelling of 13128311202 in words is "thirteen billion, one hundred twenty-eight million, three hundred eleven thousand, two hundred two".