1113203213012 has 48 divisors (see below), whose sum is σ = 2161884695040. Its totient is φ = 497273695200.

The previous prime is 1113203212999. The next prime is 1113203213021. The reversal of 1113203213012 is 2103123023111.

It is a happy number.

It is a super-2 number, since 2×1113203213012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8687513 + ... + 8814719.

It is an arithmetic number, because the mean of its divisors is an integer number (45039264480).

Almost surely, 2^{1113203213012} is an apocalyptic number.

It is an amenable number.

1113203213012 is a deficient number, since it is larger than the sum of its proper divisors (1048681482028).

1113203213012 is a wasteful number, since it uses less digits than its factorization.

1113203213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130652 (or 130650 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1113203213012 its reverse (2103123023111), we get a palindrome (3216326236123).

The spelling of 1113203213012 in words is "one trillion, one hundred thirteen billion, two hundred three million, two hundred thirteen thousand, twelve".