12002012121012 has 48 divisors (see below), whose sum is σ = 28187588100672. Its totient is φ = 3974601899520.

The previous prime is 12002012120957. The next prime is 12002012121041. The reversal of 12002012121012 is 21012121020021.

It is a junction number, because it is equal to n+sod(n) for n = 12002012120982 and 12002012121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040133 + ... + 5307180.

It is an arithmetic number, because the mean of its divisors is an integer number (587241418764).

Almost surely, 2^{12002012121012} is an apocalyptic number.

12002012121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002012121012 is an abundant number, since it is smaller than the sum of its proper divisors (16185575979660).

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

12002012121012 is a wasteful number, since it uses less digits than its factorization.

12002012121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348208 (or 7348206 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12002012121012 its reverse (21012121020021), we get a palindrome (33014133141033).

The spelling of 12002012121012 in words is "twelve trillion, two billion, twelve million, one hundred twenty-one thousand, twelve".