120001033111200 has 72 divisors (see below), whose sum is σ = 390603362784768. Its totient is φ = 32000275495680.

The previous prime is 120001033111189. The next prime is 120001033111217. The reversal of 120001033111200 is 2111330100021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120001033111200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25000212832 + ... + 25000217631.

It is an arithmetic number, because the mean of its divisors is an integer number (5425046705344).

Almost surely, 2^{120001033111200} is an apocalyptic number.

120001033111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001033111200 is an abundant number, since it is smaller than the sum of its proper divisors (270602329673568).

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

120001033111200 is a wasteful number, since it uses less digits than its factorization.

120001033111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50000430486 (or 50000430473 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120001033111200 its reverse (2111330100021), we get a palindrome (122112363211221).

The spelling of 120001033111200 in words is "one hundred twenty trillion, one billion, thirty-three million, one hundred eleven thousand, two hundred".