12012210122120 has 64 divisors (see below), whose sum is σ = 29301855030000. Its totient is φ = 4405510591488.

The previous prime is 12012210122111. The next prime is 12012210122149. The reversal of 12012210122120 is 2122101221021.

12012210122120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4313505302404 + 7698704819716 = 2076898^2 + 2774654^2 .

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, 77440655 + ... + 77595614.

Almost surely, 2^{12012210122120} is an apocalyptic number.

12012210122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012210122120 is an abundant number, since it is smaller than the sum of its proper divisors (17289644907880).

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

12012210122120 is a wasteful number, since it uses less digits than its factorization.

12012210122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155036442 (or 155036438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012210122120 its reverse (2122101221021), we get a palindrome (14134311343141).

The spelling of 12012210122120 in words is "twelve trillion, twelve billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty".