12023212120 has 16 divisors (see below), whose sum is σ = 27052227360. Its totient is φ = 4809284832.

The previous prime is 12023212111. The next prime is 12023212121. The reversal of 12023212120 is 2121232021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12023212094 and 12023212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023212121) 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, 150290112 + ... + 150290191.

It is an arithmetic number, because the mean of its divisors is an integer number (1690764210).

Almost surely, 2^12023212120 is an apocalyptic number.

12023212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023212120 is an abundant number, since it is smaller than the sum of its proper divisors (15029015240).

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

12023212120 is a wasteful number, since it uses less digits than its factorization.

12023212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300580314 (or 300580310 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12023212120 its reverse (2121232021), we get a palindrome (14144444141).

The spelling of 12023212120 in words is "twelve billion, twenty-three million, two hundred twelve thousand, one hundred twenty".