12303103044 has 48 divisors (see below), whose sum is σ = 29420274240. Its totient is φ = 3999260160.

The previous prime is 12303103039. The next prime is 12303103061. The reversal of 12303103044 is 44030130321.

It is a super-2 number, since 2×12303103044² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12303103044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599592 + ... + 1607264.

It is an arithmetic number, because the mean of its divisors is an integer number (612922380).

Almost surely, 2^12303103044 is an apocalyptic number.

It is an amenable number.

12303103044 is an abundant number, since it is smaller than the sum of its proper divisors (17117171196).

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

12303103044 is a wasteful number, since it uses less digits than its factorization.

12303103044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10980 (or 10978 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12303103044 its reverse (44030130321), we get a palindrome (56333233365).

The spelling of 12303103044 in words is "twelve billion, three hundred three million, one hundred three thousand, forty-four".