12020023112 has 32 divisors (see below), whose sum is σ = 22634164800. Its totient is φ = 5984289600.

The previous prime is 12020023091. The next prime is 12020023129. The reversal of 12020023112 is 21132002021.

It is a happy number.

It is a super-2 number, since 2×12020023112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3055787 + ... + 3059717.

It is an arithmetic number, because the mean of its divisors is an integer number (707317650).

Almost surely, 2^12020023112 is an apocalyptic number.

It is an amenable number.

12020023112 is a deficient number, since it is larger than the sum of its proper divisors (10614141688).

12020023112 is a wasteful number, since it uses less digits than its factorization.

12020023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477 (or 5473 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12020023112 its reverse (21132002021), we get a palindrome (33152025133).

The spelling of 12020023112 in words is "twelve billion, twenty million, twenty-three thousand, one hundred twelve".