120321210303 has 24 divisors (see below), whose sum is σ = 198734635008. Its totient is φ = 68717196432.

The previous prime is 120321210293. The next prime is 120321210349. The reversal of 120321210303 is 303012123021.

120321210303 is a `hidden beast` number, since 1 + 20 + 321 + 21 + 0 + 303 = 666.

It is not a de Polignac number, because 120321210303 - 2⁶ = 120321210239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321212303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408975 + ... + 638672.

It is an arithmetic number, because the mean of its divisors is an integer number (8280609792).

Almost surely, 2^120321210303 is an apocalyptic number.

120321210303 is a deficient number, since it is larger than the sum of its proper divisors (78413424705).

120321210303 is a wasteful number, since it uses less digits than its factorization.

120321210303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049483 (or 1049480 counting only the distinct ones).

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

Adding to 120321210303 its reverse (303012123021), we get a palindrome (423333333324).

The spelling of 120321210303 in words is "one hundred twenty billion, three hundred twenty-one million, two hundred ten thousand, three hundred three".