12001232011003 has 4 divisors (see below), whose sum is σ = 12325589632960. Its totient is φ = 11676874389048.

The previous prime is 12001232010983. The next prime is 12001232011031. The reversal of 12001232011003 is 30011023210021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12001232011003 - 2⁹ = 12001232010491 is a prime.

It is a super-2 number, since 2×12001232011003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001232011403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162178810923 + ... + 162178810996.

It is an arithmetic number, because the mean of its divisors is an integer number (3081397408240).

Almost surely, 2^{12001232011003} is an apocalyptic number.

12001232011003 is a deficient number, since it is larger than the sum of its proper divisors (324357621957).

12001232011003 is an equidigital number, since it uses as much as digits as its factorization.

12001232011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324357621956.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12001232011003 its reverse (30011023210021), we get a palindrome (42012255221024).

The spelling of 12001232011003 in words is "twelve trillion, one billion, two hundred thirty-two million, eleven thousand, three".