1103124213012 has 24 divisors (see below), whose sum is σ = 2616152506912. Its totient is φ = 361680069600.

The previous prime is 1103124212947. The next prime is 1103124213019. The reversal of 1103124213012 is 2103124213011.

It is a super-2 number, since 2×1103124213012² (a number of 25 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 1103124213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103124213019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753499414 + ... + 753500877.

Almost surely, 2^{1103124213012} is an apocalyptic number.

1103124213012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103124213012 is an abundant number, since it is smaller than the sum of its proper divisors (1513028293900).

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

1103124213012 is a wasteful number, since it uses less digits than its factorization.

1103124213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507000359 (or 1507000357 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1103124213012 its reverse (2103124213011), we get a palindrome (3206248426023).

Subtracting 1103124213012 from its reverse (2103124213011), we obtain a palindrome (999999999999).

The spelling of 1103124213012 in words is "one trillion, one hundred three billion, one hundred twenty-four million, two hundred thirteen thousand, twelve".