120001111122012 has 24 divisors (see below), whose sum is σ = 282207337445376. Its totient is φ = 39685406827248.

The previous prime is 120001111121911. The next prime is 120001111122019. The reversal of 120001111122012 is 210221111100021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120001111121982 and 120001111122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001111122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39370441758 + ... + 39370444805.

It is an arithmetic number, because the mean of its divisors is an integer number (11758639060224).

Almost surely, 2^{120001111122012} is an apocalyptic number.

120001111122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120001111122012 is an abundant number, since it is smaller than the sum of its proper divisors (162206226323364).

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

120001111122012 is a wasteful number, since it uses less digits than its factorization.

120001111122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78740886697 (or 78740886695 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120001111122012 its reverse (210221111100021), we get a palindrome (330222222222033).

The spelling of 120001111122012 in words is "one hundred twenty trillion, one billion, one hundred eleven million, one hundred twenty-two thousand, twelve".