1103313132012 has 48 divisors (see below), whose sum is σ = 3168488997632. Its totient is φ = 290983682880.

The previous prime is 1103313132011. The next prime is 1103313132013. The reversal of 1103313132012 is 2102313133011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1103313132011) and next prime (1103313132013).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1103313132012.

It is not an unprimeable number, because it can be changed into a prime (1103313132011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505178914 + ... + 505181097.

Almost surely, 2^{1103313132012} is an apocalyptic number.

1103313132012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103313132012 is an abundant number, since it is smaller than the sum of its proper divisors (2065175865620).

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

1103313132012 is a wasteful number, since it uses less digits than its factorization.

1103313132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010360038 (or 1010360036 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1103313132012 its reverse (2102313133011), we get a palindrome (3205626265023).

Subtracting 1103313132012 from its reverse (2102313133011), we obtain a palindrome (999000000999).

The spelling of 1103313132012 in words is "one trillion, one hundred three billion, three hundred thirteen million, one hundred thirty-two thousand, twelve".