12003112211320 has 64 divisors (see below), whose sum is σ = 27956318940000. Its totient is φ = 4632691327488.

The previous prime is 12003112211257. The next prime is 12003112211369. The reversal of 12003112211320 is 2311221130021.

It is a super-2 number, since 2×12003112211320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543222 + ... + 5136901.

Almost surely, 2^{12003112211320} is an apocalyptic number.

12003112211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003112211320 is an abundant number, since it is smaller than the sum of its proper divisors (15953206728680).

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

12003112211320 is a wasteful number, since it uses less digits than its factorization.

12003112211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681712 (or 6681708 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12003112211320 its reverse (2311221130021), we get a palindrome (14314333341341).

The spelling of 12003112211320 in words is "twelve trillion, three billion, one hundred twelve million, two hundred eleven thousand, three hundred twenty".