12002220112 has 20 divisors (see below), whose sum is σ = 23319087840. Its totient is φ = 5984391008.

The previous prime is 12002220107. The next prime is 12002220119. The reversal of 12002220112 is 21102220021.

It is a happy number.

It is a super-3 number, since 3×12002220112³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12002220092 and 12002220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002220119) 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, 1039018 + ... + 1050505.

It is an arithmetic number, because the mean of its divisors is an integer number (1165954392).

Almost surely, 2^12002220112 is an apocalyptic number.

It is an amenable number.

12002220112 is a deficient number, since it is larger than the sum of its proper divisors (11316867728).

12002220112 is a wasteful number, since it uses less digits than its factorization.

12002220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089890 (or 2089884 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002220112 its reverse (21102220021), we get a palindrome (33104440133).

Subtracting 12002220112 from its reverse (21102220021), we obtain a palindrome (9099999909).

The spelling of 12002220112 in words is "twelve billion, two million, two hundred twenty thousand, one hundred twelve".