1103032203312 has 160 divisors (see below), whose sum is σ = 3079313411328. Its totient is φ = 338222066688.

The previous prime is 1103032203289. The next prime is 1103032203323. The reversal of 1103032203312 is 2133022303011.

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 31 ways as a sum of consecutive naturals, for example, 239943798 + ... + 239948394.

Almost surely, 2^{1103032203312} is an apocalyptic number.

1103032203312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103032203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539656705664).

1103032203312 is an abundant number, since it is smaller than the sum of its proper divisors (1976281208016).

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

1103032203312 is a wasteful number, since it uses less digits than its factorization.

1103032203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867 (or 5861 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1103032203312 its reverse (2133022303011), we get a palindrome (3236054506323).

The spelling of 1103032203312 in words is "one trillion, one hundred three billion, thirty-two million, two hundred three thousand, three hundred twelve".