120003121303120 has 80 divisors (see below), whose sum is σ = 307216147318848. Its totient is φ = 43229671531520.

The previous prime is 120003121302941. The next prime is 120003121303129. The reversal of 120003121303120 is 21303121300021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120003121303129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637135669 + ... + 637323988.

Almost surely, 2^{120003121303120} is an apocalyptic number.

120003121303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120003121303120 is an abundant number, since it is smaller than the sum of its proper divisors (187213026015728).

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

120003121303120 is a wasteful number, since it uses less digits than its factorization.

120003121303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274459788 (or 1274459782 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120003121303120 its reverse (21303121300021), we get a palindrome (141306242603141).

The spelling of 120003121303120 in words is "one hundred twenty trillion, three billion, one hundred twenty-one million, three hundred three thousand, one hundred twenty".