120020112000 has 384 divisors, whose sum is σ = 453717950400. Its totient is φ = 30320179200.

The previous prime is 120020111999. The next prime is 120020112011. The reversal of 120020112000 is 211020021.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2714067 + ... + 2757933.

Almost surely, 2^120020112000 is an apocalyptic number.

120020112000 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 120020112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226858975200).

120020112000 is an abundant number, since it is smaller than the sum of its proper divisors (333697838400).

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

120020112000 is a wasteful number, since it uses less digits than its factorization.

120020112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43921 (or 43896 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120020112000 its reverse (211020021), we get a palindrome (120231132021).

It can be divided in two parts, 1200201 and 12000, that added together give a square (1212201 = 1101²).

The spelling of 120020112000 in words is "one hundred twenty billion, twenty million, one hundred twelve thousand".