12023213020 has 48 divisors (see below), whose sum is σ = 31075386048. Its totient is φ = 3805148160.

The previous prime is 12023213017. The next prime is 12023213029. The reversal of 12023213020 is 2031232021.

It is a junction number, because it is equal to n+sod(n) for n = 12023212985 and 12023213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023213029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301261 + ... + 3304900.

It is an arithmetic number, because the mean of its divisors is an integer number (647403876).

Almost surely, 2^12023213020 is an apocalyptic number.

12023213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023213020 is an abundant number, since it is smaller than the sum of its proper divisors (19052173028).

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

12023213020 is a wasteful number, since it uses less digits than its factorization.

12023213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606190 (or 6606188 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12023213020 its reverse (2031232021), we get a palindrome (14054445041).

The spelling of 12023213020 in words is "twelve billion, twenty-three million, two hundred thirteen thousand, twenty".