1001200112120 has 128 divisors (see below), whose sum is σ = 2432137579200. Its totient is φ = 368737837056.

The previous prime is 1001200112069. The next prime is 1001200112123. The reversal of 1001200112120 is 212110021001.

1001200112120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001200112123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563420672 + ... + 563422448.

Almost surely, 2^{1001200112120} is an apocalyptic number.

1001200112120 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 1001200112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216068789600).

1001200112120 is an abundant number, since it is smaller than the sum of its proper divisors (1430937467080).

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

1001200112120 is a wasteful number, since it uses less digits than its factorization.

1001200112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001200112120 its reverse (212110021001), we get a palindrome (1213310133121).

The spelling of 1001200112120 in words is "one trillion, one billion, two hundred million, one hundred twelve thousand, one hundred twenty".