1200113232120 has 384 divisors, whose sum is σ = 4386334680000. Its totient is φ = 282011811840.

The previous prime is 1200113232067. The next prime is 1200113232127. The reversal of 1200113232120 is 212323110021.

1200113232120 is a `hidden beast` number, since 1 + 200 + 113 + 232 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200113232093 and 1200113232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200113232127) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39398656 + ... + 39429104.

Almost surely, 2^{1200113232120} is an apocalyptic number.

1200113232120 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 1200113232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193167340000).

1200113232120 is an abundant number, since it is smaller than the sum of its proper divisors (3186221447880).

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

1200113232120 is a wasteful number, since it uses less digits than its factorization.

1200113232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30783 (or 30776 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1200113232120 its reverse (212323110021), we get a palindrome (1412436342141).

The spelling of 1200113232120 in words is "one trillion, two hundred billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred twenty".