12002120111212 has 96 divisors (see below), whose sum is σ = 26525597091840. Its totient is φ = 4615621920000.

The previous prime is 12002120111167. The next prime is 12002120111213. The reversal of 12002120111212 is 21211102120021.

12002120111212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12002120111213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86089962 + ... + 86229262.

It is an arithmetic number, because the mean of its divisors is an integer number (276308303040).

Almost surely, 2^{12002120111212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002120111212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13262798545920).

12002120111212 is an abundant number, since it is smaller than the sum of its proper divisors (14523476980628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12002120111212 is a wasteful number, since it uses less digits than its factorization.

12002120111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142943 (or 142941 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12002120111212 its reverse (21211102120021), we get a palindrome (33213222231233).

The spelling of 12002120111212 in words is "twelve trillion, two billion, one hundred twenty million, one hundred eleven thousand, two hundred twelve".