12020223112 has 8 divisors (see below), whose sum is σ = 22537918350. Its totient is φ = 6010111552.

The previous prime is 12020223109. The next prime is 12020223151. The reversal of 12020223112 is 21132202021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11011144356 + 1009078756 = 104934^2 + 31766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751263937 + ... + 751263952.

Almost surely, 2^12020223112 is an apocalyptic number.

It is an amenable number.

12020223112 is a deficient number, since it is larger than the sum of its proper divisors (10517695238).

12020223112 is a wasteful number, since it uses less digits than its factorization.

12020223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502527895 (or 1502527891 counting only the distinct ones).

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

Adding to 12020223112 its reverse (21132202021), we get a palindrome (33152425133).

The spelling of 12020223112 in words is "twelve billion, twenty million, two hundred twenty-three thousand, one hundred twelve".