1103013012 has 12 divisors (see below), whose sum is σ = 2573697056. Its totient is φ = 367671000.

The previous prime is 1103013011. The next prime is 1103013017. The reversal of 1103013012 is 2103103011.

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: 91917751 = 1103013012 / (1 + 1 + 0 + 3 + 0 + 1 + 3 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103013011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45958864 + ... + 45958887.

Almost surely, 2^1103013012 is an apocalyptic number.

1103013012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103013012 is an abundant number, since it is smaller than the sum of its proper divisors (1470684044).

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

1103013012 is a wasteful number, since it uses less digits than its factorization.

1103013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91917758 (or 91917756 counting only the distinct ones).

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

The square root of 1103013012 is about 33211.6397065848. The cubic root of 1103013012 is about 1033.2217630032.

Adding to 1103013012 its reverse (2103103011), we get a palindrome (3206116023).

It can be divided in two parts, 11030 and 13012, that added together give a palindrome (24042).

The spelling of 1103013012 in words is "one billion, one hundred three million, thirteen thousand, twelve".