112122020121210 has 384 divisors, whose sum is σ = 324201346560000. Its totient is φ = 26658469094400.

The previous prime is 112122020121103. The next prime is 112122020121239. The reversal of 112122020121210 is 12121020221211.

112122020121210 is a `hidden beast` number, since 1 + 1 + 21 + 220 + 201 + 212 + 10 = 666.

It is a super-2 number, since 2×112122020121210² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5803707931 + ... + 5803727249.

It is an arithmetic number, because the mean of its divisors is an integer number (844274340000).

Almost surely, 2^{112122020121210} is an apocalyptic number.

112122020121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112122020121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162100673280000).

112122020121210 is an abundant number, since it is smaller than the sum of its proper divisors (212079326438790).

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

112122020121210 is a wasteful number, since it uses less digits than its factorization.

112122020121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19962 (or 19959 counting only the distinct ones).

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

Adding to 112122020121210 its reverse (12121020221211), we get a palindrome (124243040342421).

The spelling of 112122020121210 in words is "one hundred twelve trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, two hundred ten".