12003032231 has 4 divisors (see below), whose sum is σ = 12003561312. Its totient is φ = 12002503152.

The previous prime is 12003032221. The next prime is 12003032269. The reversal of 12003032231 is 13223030021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13223030021 = 1571 ⋅8416951.

It is a cyclic number.

It is not a de Polignac number, because 12003032231 - 2¹⁰ = 12003031207 is a prime.

It is a super-2 number, since 2×12003032231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003032221) 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, 228911 + ... + 276416.

It is an arithmetic number, because the mean of its divisors is an integer number (3000890328).

Almost surely, 2^12003032231 is an apocalyptic number.

12003032231 is a deficient number, since it is larger than the sum of its proper divisors (529081).

12003032231 is an equidigital number, since it uses as much as digits as its factorization.

12003032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529080.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12003032231 its reverse (13223030021), we get a palindrome (25226062252).

The spelling of 12003032231 in words is "twelve billion, three million, thirty-two thousand, two hundred thirty-one".