1103130012 has 12 divisors (see below), whose sum is σ = 2573970056. Its totient is φ = 367710000.

The previous prime is 1103129999. The next prime is 1103130013. The reversal of 1103130012 is 2100313011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 91927501 = 1103130012 / (1 + 1 + 0 + 3 + 1 + 3 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1103130012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103130013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45963739 + ... + 45963762.

Almost surely, 2^1103130012 is an apocalyptic number.

1103130012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103130012 is an abundant number, since it is smaller than the sum of its proper divisors (1470840044).

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

1103130012 is a wasteful number, since it uses less digits than its factorization.

1103130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91927508 (or 91927506 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1103130012 is about 33213.4010905237. The cubic root of 1103130012 is about 1033.2582940537.

Adding to 1103130012 its reverse (2100313011), we get a palindrome (3203443023).

The spelling of 1103130012 in words is "one billion, one hundred three million, one hundred thirty thousand, twelve".