12103004130 has 128 divisors (see below), whose sum is σ = 34407866880. Its totient is φ = 2665850880.

The previous prime is 12103004107. The next prime is 12103004131. The reversal of 12103004130 is 3140030121.

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

It is not an unprimeable number, because it can be changed into a prime (12103004131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3755920 + ... + 3759140.

It is an arithmetic number, because the mean of its divisors is an integer number (268811460).

Almost surely, 2^12103004130 is an apocalyptic number.

12103004130 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 12103004130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17203933440).

12103004130 is an abundant number, since it is smaller than the sum of its proper divisors (22304862750).

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

12103004130 is a wasteful number, since it uses less digits than its factorization.

12103004130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12103004130 its reverse (3140030121), we get a palindrome (15243034251).

The spelling of 12103004130 in words is "twelve billion, one hundred three million, four thousand, one hundred thirty".