12003112323120 has 80 divisors (see below), whose sum is σ = 37212697065312. Its totient is φ = 3200567685120.

The previous prime is 12003112323091. The next prime is 12003112323143. The reversal of 12003112323120 is 2132321130021.

It is a tau number, because it is divible by the number of its divisors (80).

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, 894994 + ... + 4980686.

Almost surely, 2^{12003112323120} is an apocalyptic number.

12003112323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003112323120 is an abundant number, since it is smaller than the sum of its proper divisors (25209584742192).

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

12003112323120 is a wasteful number, since it uses less digits than its factorization.

12003112323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097950 (or 4097944 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12003112323120 its reverse (2132321130021), we get a palindrome (14135433453141).

The spelling of 12003112323120 in words is "twelve trillion, three billion, one hundred twelve million, three hundred twenty-three thousand, one hundred twenty".