120111111120000 has 2560 divisors, whose sum is σ = 537606998691840. Its totient is φ = 22938624000000.

The previous prime is 120111111119959. The next prime is 120111111120029. The reversal of 120111111120000 is 21111111021.

It is a super-3 number, since 3×120111111120000³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 63183119050 + ... + 63183120950.

It is an arithmetic number, because the mean of its divisors is an integer number (210002733864).

Almost surely, 2^{120111111120000} is an apocalyptic number.

120111111120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120111111120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268803499345920).

120111111120000 is an abundant number, since it is smaller than the sum of its proper divisors (417495887571840).

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

120111111120000 is a wasteful number, since it uses less digits than its factorization.

120111111120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 120111111120000 its reverse (21111111021), we get a palindrome (120132222231021).

The spelling of 120111111120000 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty thousand".