12103031130 has 32 divisors (see below), whose sum is σ = 29065877568. Its totient is φ = 3225408000.

The previous prime is 12103031093. The next prime is 12103031159. The reversal of 12103031130 is 3113030121.

12103031130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 81271 + ... + 175530.

It is an arithmetic number, because the mean of its divisors is an integer number (908308674).

Almost surely, 2^12103031130 is an apocalyptic number.

12103031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12103031130 is an abundant number, since it is smaller than the sum of its proper divisors (16962846438).

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

12103031130 is a wasteful number, since it uses less digits than its factorization.

12103031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258382.

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

Adding to 12103031130 its reverse (3113030121), we get a palindrome (15216061251).

The spelling of 12103031130 in words is "twelve billion, one hundred three million, thirty-one thousand, one hundred thirty".