121222210000120 has 64 divisors (see below), whose sum is σ = 274285858867200. Its totient is φ = 48215861527680.

The previous prime is 121222210000097. The next prime is 121222210000123. The reversal of 121222210000120 is 21000012222121.

It is a happy number.

121222210000120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121222210000094 and 121222210000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222210000123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166543617 + ... + 167269903.

It is an arithmetic number, because the mean of its divisors is an integer number (4285716544800).

Almost surely, 2^{121222210000120} is an apocalyptic number.

121222210000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222210000120 is an abundant number, since it is smaller than the sum of its proper divisors (153063648867080).

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

121222210000120 is a wasteful number, since it uses less digits than its factorization.

121222210000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749788 (or 749784 counting only the distinct ones).

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

Adding to 121222210000120 its reverse (21000012222121), we get a palindrome (142222222222241).

The spelling of 121222210000120 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred ten million, one hundred twenty", and thus it is an aban number.