13121030130 has 64 divisors (see below), whose sum is σ = 33991574400. Its totient is φ = 3222291456.

The previous prime is 13121030123. The next prime is 13121030137. The reversal of 13121030130 is 3103012131.

It is an interprime number because it is at equal distance from previous prime (13121030123) and next prime (13121030137).

It is a super-2 number, since 2×13121030130² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13121030137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130021 + ... + 207719.

It is an arithmetic number, because the mean of its divisors is an integer number (531118350).

Almost surely, 2^13121030130 is an apocalyptic number.

13121030130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13121030130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16995787200).

13121030130 is an abundant number, since it is smaller than the sum of its proper divisors (20870544270).

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

13121030130 is a wasteful number, since it uses less digits than its factorization.

13121030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78155.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13121030130 its reverse (3103012131), we get a palindrome (16224042261).

The spelling of 13121030130 in words is "thirteen billion, one hundred twenty-one million, thirty thousand, one hundred thirty".