120003303121020 has 192 divisors, whose sum is σ = 417217693294080. Its totient is φ = 28382155891200.

The previous prime is 120003303120941. The next prime is 120003303121109. The reversal of 120003303121020 is 20121303300021.

120003303121020 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 0 + 330 + 312 + 1 + 0 + 20 = 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 = 120003303120984 and 120003303121002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246129342 + ... + 246616421.

It is an arithmetic number, because the mean of its divisors is an integer number (2173008819240).

Almost surely, 2^{120003303121020} is an apocalyptic number.

120003303121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120003303121020 is an abundant number, since it is smaller than the sum of its proper divisors (297214390173060).

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

120003303121020 is a wasteful number, since it uses less digits than its factorization.

120003303121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492745833 (or 492745825 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120003303121020 its reverse (20121303300021), we get a palindrome (140124606421041).

The spelling of 120003303121020 in words is "one hundred twenty trillion, three billion, three hundred three million, one hundred twenty-one thousand, twenty".