120121221110012 has 48 divisors (see below), whose sum is σ = 218440841757600. Its totient is φ = 57757321175040.

The previous prime is 120121221109987. The next prime is 120121221110027. The reversal of 120121221110012 is 210011122121021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13958462 + ... + 20858597.

It is an arithmetic number, because the mean of its divisors is an integer number (4550850869950).

Almost surely, 2^{120121221110012} is an apocalyptic number.

It is an amenable number.

120121221110012 is a deficient number, since it is larger than the sum of its proper divisors (98319620647588).

120121221110012 is a wasteful number, since it uses less digits than its factorization.

120121221110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34817406 (or 34817404 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120121221110012 its reverse (210011122121021), we get a palindrome (330132343231033).

The spelling of 120121221110012 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred ten thousand, twelve".