13250121020 has 12 divisors (see below), whose sum is σ = 27825254184. Its totient is φ = 5300048400.

The previous prime is 13250120981. The next prime is 13250121103. The reversal of 13250121020 is 2012105231.

It is a happy number.

13250121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13250121020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331253006 + ... + 331253045.

It is an arithmetic number, because the mean of its divisors is an integer number (2318771182).

Almost surely, 2^13250121020 is an apocalyptic number.

13250121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13250121020 is an abundant number, since it is smaller than the sum of its proper divisors (14575133164).

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

13250121020 is a wasteful number, since it uses less digits than its factorization.

13250121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662506060 (or 662506058 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 13250121020 its reverse (2012105231), we get a palindrome (15262226251).

The spelling of 13250121020 in words is "thirteen billion, two hundred fifty million, one hundred twenty-one thousand, twenty".