12210122121120 has 288 divisors, whose sum is σ = 51948520041600. Its totient is φ = 2537168209920.

The previous prime is 12210122121089. The next prime is 12210122121143. The reversal of 12210122121120 is 2112122101221.

12210122121120 is a `hidden beast` number, since 1 + 2 + 210 + 1 + 221 + 211 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12210122121093 and 12210122121102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54949195 + ... + 55170954.

It is an arithmetic number, because the mean of its divisors is an integer number (180376805700).

Almost surely, 2^{12210122121120} is an apocalyptic number.

12210122121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210122121120 is an abundant number, since it is smaller than the sum of its proper divisors (39738397920480).

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

12210122121120 is a wasteful number, since it uses less digits than its factorization.

12210122121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110120188 (or 110120177 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12210122121120 its reverse (2112122101221), we get a palindrome (14322244222341).

The spelling of 12210122121120 in words is "twelve trillion, two hundred ten billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty".