12002121022120 has 32 divisors (see below), whose sum is σ = 27009865134720. Its totient is φ = 4799943016000.

The previous prime is 12002121022117. The next prime is 12002121022127. The reversal of 12002121022120 is 2122012120021.

It is a happy number.

It is a super-2 number, since 2×12002121022120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12002121022094 and 12002121022103.

It is not an unprimeable number, because it can be changed into a prime (12002121022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28078756 + ... + 28502995.

It is an arithmetic number, because the mean of its divisors is an integer number (844058285460).

Almost surely, 2^{12002121022120} is an apocalyptic number.

12002121022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002121022120 is an abundant number, since it is smaller than the sum of its proper divisors (15007744112600).

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

12002121022120 is a wasteful number, since it uses less digits than its factorization.

12002121022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56587065 (or 56587061 counting only the distinct ones).

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

Adding to 12002121022120 its reverse (2122012120021), we get a palindrome (14124133142141).

The spelling of 12002121022120 in words is "twelve trillion, two billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty".