120003112231200 has 864 divisors, whose sum is σ = 490455496964160. Its totient is φ = 27329334681600.

The previous prime is 120003112231109. The next prime is 120003112231207. The reversal of 120003112231200 is 2132211300021.

120003112231200 is a `hidden beast` number, since 1 + 20 + 0 + 0 + 311 + 22 + 312 + 0 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (120003112231207) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 84275547 + ... + 85687653.

It is an arithmetic number, because the mean of its divisors is an integer number (567656825190).

Almost surely, 2^{120003112231200} is an apocalyptic number.

120003112231200 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 120003112231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245227748482080).

120003112231200 is an abundant number, since it is smaller than the sum of its proper divisors (370452384732960).

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

120003112231200 is a wasteful number, since it uses less digits than its factorization.

120003112231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412210 (or 1412194 counting only the distinct ones).

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

Adding to 120003112231200 its reverse (2132211300021), we get a palindrome (122135323531221).

The spelling of 120003112231200 in words is "one hundred twenty trillion, three billion, one hundred twelve million, two hundred thirty-one thousand, two hundred".