12212122000120 has 64 divisors (see below), whose sum is σ = 31404465054720. Its totient is φ = 4186764507264.

The previous prime is 12212122000087. The next prime is 12212122000157. The reversal of 12212122000120 is 2100022121221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12212122000094 and 12212122000103.

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, 3456939 + ... + 6031141.

It is an arithmetic number, because the mean of its divisors is an integer number (490694766480).

Almost surely, 2^{12212122000120} is an apocalyptic number.

12212122000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212122000120 is an abundant number, since it is smaller than the sum of its proper divisors (19192343054600).

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

12212122000120 is a wasteful number, since it uses less digits than its factorization.

12212122000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591164 (or 2591160 counting only the distinct ones).

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

Adding to 12212122000120 its reverse (2100022121221), we get a palindrome (14312144121341).

The spelling of 12212122000120 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty", and thus it is an aban number.