12003121231232 has 64 divisors (see below), whose sum is σ = 24961185244800. Its totient is φ = 5742703718400.

The previous prime is 12003121231223. The next prime is 12003121231271. The reversal of 12003121231232 is 23213212130021.

12003121231232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×12003121231232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12003121231198 and 12003121231207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16641119 + ... + 17347422.

It is an arithmetic number, because the mean of its divisors is an integer number (390018519450).

Almost surely, 2^{12003121231232} is an apocalyptic number.

It is an amenable number.

12003121231232 is an abundant number, since it is smaller than the sum of its proper divisors (12958064013568).

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

12003121231232 is an equidigital number, since it uses as much as digits as its factorization.

12003121231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33988675 (or 33988663 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12003121231232 its reverse (23213212130021), we get a palindrome (35216333361253).

The spelling of 12003121231232 in words is "twelve trillion, three billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-two".