1121330313012 has 96 divisors (see below), whose sum is σ = 3307264022272. Its totient is φ = 287742606336.

The previous prime is 1121330313007. The next prime is 1121330313023. The reversal of 1121330313012 is 2103130331211.

It is a happy number.

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 1121330313012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13836073 + ... + 13916880.

Almost surely, 2^{1121330313012} is an apocalyptic number.

1121330313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121330313012 is an abundant number, since it is smaller than the sum of its proper divisors (2185933709260).

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

1121330313012 is a wasteful number, since it uses less digits than its factorization.

1121330313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27753017 (or 27753015 counting only the distinct ones).

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

Adding to 1121330313012 its reverse (2103130331211), we get a palindrome (3224460644223).

The spelling of 1121330313012 in words is "one trillion, one hundred twenty-one billion, three hundred thirty million, three hundred thirteen thousand, twelve".