12020031021223 has 8 divisors (see below), whose sum is σ = 12566623183488. Its totient is φ = 11475437368824.

The previous prime is 12020031021203. The next prime is 12020031021259. The reversal of 12020031021223 is 32212013002021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020031021223 - 2⁵ = 12020031021191 is a prime.

It is a super-2 number, since 2×12020031021223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020031021223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020031021203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499615165 + ... + 499639222.

It is an arithmetic number, because the mean of its divisors is an integer number (1570827897936).

Almost surely, 2^{12020031021223} is an apocalyptic number.

12020031021223 is a deficient number, since it is larger than the sum of its proper divisors (546592162265).

12020031021223 is an equidigital number, since it uses as much as digits as its factorization.

12020031021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999254933.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12020031021223 its reverse (32212013002021), we get a palindrome (44232044023244).

The spelling of 12020031021223 in words is "twelve trillion, twenty billion, thirty-one million, twenty-one thousand, two hundred twenty-three".