120111120111012 has 24 divisors (see below), whose sum is σ = 280259469495936. Its totient is φ = 40037013003168.

The previous prime is 120111120110977. The next prime is 120111120111083. The reversal of 120111120111012 is 210111021111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111120110982 and 120111120111000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24018558 + ... + 28585194.

It is an arithmetic number, because the mean of its divisors is an integer number (11677477895664).

Almost surely, 2^{120111120111012} is an apocalyptic number.

120111120111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120111120111012 is an abundant number, since it is smaller than the sum of its proper divisors (160148349384924).

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

120111120111012 is a wasteful number, since it uses less digits than its factorization.

120111120111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758467 (or 6758465 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 120111120111012 its reverse (210111021111021), we get a palindrome (330222141222033).

The spelling of 120111120111012 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twenty million, one hundred eleven thousand, twelve".