120121102212112 has 20 divisors (see below), whose sum is σ = 232887448869840. Its totient is φ = 60021115407008.

The previous prime is 120121102212079. The next prime is 120121102212121. The reversal of 120121102212112 is 211212201121021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120121102212112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464706062 + ... + 2464754797.

It is an arithmetic number, because the mean of its divisors is an integer number (11644372443492).

Almost surely, 2^{120121102212112} is an apocalyptic number.

It is an amenable number.

120121102212112 is a deficient number, since it is larger than the sum of its proper divisors (112766346657728).

120121102212112 is a wasteful number, since it uses less digits than its factorization.

120121102212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929462390 (or 4929462384 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120121102212112 its reverse (211212201121021), we get a palindrome (331333303333133).

The spelling of 120121102212112 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, one hundred twelve".