120121210222112 has 48 divisors (see below), whose sum is σ = 258018358651200. Its totient is φ = 54594040170240.

The previous prime is 120121210222081. The next prime is 120121210222127. The reversal of 120121210222112 is 211222012121021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17386412 + ... + 23292267.

It is an arithmetic number, because the mean of its divisors is an integer number (5375382471900).

Almost surely, 2^{120121210222112} is an apocalyptic number.

It is an amenable number.

120121210222112 is an abundant number, since it is smaller than the sum of its proper divisors (137897148429088).

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

120121210222112 is a wasteful number, since it uses less digits than its factorization.

120121210222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40687089 (or 40687081 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120121210222112 its reverse (211222012121021), we get a palindrome (331343222343133).

The spelling of 120121210222112 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, one hundred twelve".