12002120212 has 12 divisors (see below), whose sum is σ = 21087392256. Its totient is φ = 5977151000.

The previous prime is 12002120183. The next prime is 12002120213. The reversal of 12002120212 is 21202120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12002120192 and 12002120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002120213) 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, 5976148 + ... + 5978155.

It is an arithmetic number, because the mean of its divisors is an integer number (1757282688).

Almost surely, 2^12002120212 is an apocalyptic number.

It is an amenable number.

12002120212 is a deficient number, since it is larger than the sum of its proper divisors (9085272044).

12002120212 is a wasteful number, since it uses less digits than its factorization.

12002120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954558 (or 11954556 counting only the distinct ones).

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

Adding to 12002120212 its reverse (21202120021), we get a palindrome (33204240233).

The spelling of 12002120212 in words is "twelve billion, two million, one hundred twenty thousand, two hundred twelve".