12023211320 has 16 divisors (see below), whose sum is σ = 27052225560. Its totient is φ = 4809284512.

The previous prime is 12023211313. The next prime is 12023211323. The reversal of 12023211320 is 2311232021.

It is a super-2 number, since 2×12023211320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023211323) 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, 150290102 + ... + 150290181.

Almost surely, 2^12023211320 is an apocalyptic number.

12023211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023211320 is an abundant number, since it is smaller than the sum of its proper divisors (15029014240).

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

12023211320 is a wasteful number, since it uses less digits than its factorization.

12023211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300580294 (or 300580290 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12023211320 its reverse (2311232021), we get a palindrome (14334443341).

The spelling of 12023211320 in words is "twelve billion, twenty-three million, two hundred eleven thousand, three hundred twenty".