12012002212120 has 32 divisors (see below), whose sum is σ = 27027356994000. Its totient is φ = 4804738304128.

The previous prime is 12012002212033. The next prime is 12012002212159. The reversal of 12012002212120 is 2121220021021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12012002212094 and 12012002212103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217406 + ... + 5050354.

Almost surely, 2^{12012002212120} is an apocalyptic number.

12012002212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012002212120 is an abundant number, since it is smaller than the sum of its proper divisors (15015354781880).

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

12012002212120 is a wasteful number, since it uses less digits than its factorization.

12012002212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911307 (or 3911303 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12012002212120 its reverse (2121220021021), we get a palindrome (14133222233141).

The spelling of 12012002212120 in words is "twelve trillion, twelve billion, two million, two hundred twelve thousand, one hundred twenty".