12203020331 has 4 divisors (see below), whose sum is σ = 12230199000. Its totient is φ = 12175841664.

The previous prime is 12203020273. The next prime is 12203020339. The reversal of 12203020331 is 13302030221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13302030221 = 569 ⋅23377909.

It is a cyclic number.

It is not a de Polignac number, because 12203020331 - 2¹⁸ = 12202758187 is a prime.

It is a super-2 number, since 2×12203020331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203020339) 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, 13588661 + ... + 13589558.

It is an arithmetic number, because the mean of its divisors is an integer number (3057549750).

Almost surely, 2^12203020331 is an apocalyptic number.

12203020331 is a deficient number, since it is larger than the sum of its proper divisors (27178669).

12203020331 is an equidigital number, since it uses as much as digits as its factorization.

12203020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27178668.

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

Adding to 12203020331 its reverse (13302030221), we get a palindrome (25505050552).

The spelling of 12203020331 in words is "twelve billion, two hundred three million, twenty thousand, three hundred thirty-one".