1103313331212 has 24 divisors (see below), whose sum is σ = 2574774723696. Its totient is φ = 367717260288.

The previous prime is 1103313331187. The next prime is 1103313331217. The reversal of 1103313331212 is 2121333133011.

It is not an unprimeable number, because it can be changed into a prime (1103313331217) 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, 6645853 + ... + 6809844.

It is an arithmetic number, because the mean of its divisors is an integer number (107282280154).

Almost surely, 2^{1103313331212} is an apocalyptic number.

1103313331212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103313331212 is an abundant number, since it is smaller than the sum of its proper divisors (1471461392484).

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

1103313331212 is a wasteful number, since it uses less digits than its factorization.

1103313331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13462537 (or 13462535 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1103313331212 its reverse (2121333133011), we get a palindrome (3224646464223).

The spelling of 1103313331212 in words is "one trillion, one hundred three billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred twelve".