120121120111012 has 12 divisors (see below), whose sum is σ = 210212718876720. Its totient is φ = 60060343289096.

The previous prime is 120121120110961. The next prime is 120121120111043. The reversal of 120121120111012 is 210111021121021.

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, 52941562 + ... + 55163857.

It is an arithmetic number, because the mean of its divisors is an integer number (17517726573060).

Almost surely, 2^{120121120111012} is an apocalyptic number.

It is an amenable number.

120121120111012 is a deficient number, since it is larger than the sum of its proper divisors (90091598765708).

120121120111012 is a wasteful number, since it uses less digits than its factorization.

120121120111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108383210 (or 108383208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 120121120111012 its reverse (210111021121021), we get a palindrome (330232141232033).

The spelling of 120121120111012 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty million, one hundred eleven thousand, twelve".