120021303303 has 12 divisors (see below), whose sum is σ = 189124478088. Its totient is φ = 72740183760.

The previous prime is 120021303287. The next prime is 120021303349. The reversal of 120021303303 is 303303120021.

120021303303 is a `hidden beast` number, since 1 + 200 + 2 + 130 + 330 + 3 = 666.

It is not a de Polignac number, because 120021303303 - 2⁴ = 120021303287 is a prime.

It is a super-2 number, since 2×120021303303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021303503) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 606168100 + ... + 606168297.

It is an arithmetic number, because the mean of its divisors is an integer number (15760373174).

Almost surely, 2^120021303303 is an apocalyptic number.

120021303303 is a deficient number, since it is larger than the sum of its proper divisors (69103174785).

120021303303 is a wasteful number, since it uses less digits than its factorization.

120021303303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212336414 (or 1212336411 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 120021303303 its reverse (303303120021), we get a palindrome (423324423324).

It can be divided in two parts, 120021 and 303303, that added together give a palindrome (423324).

The spelling of 120021303303 in words is "one hundred twenty billion, twenty-one million, three hundred three thousand, three hundred three".