120213121303 has 4 divisors (see below), whose sum is σ = 131141586888. Its totient is φ = 109284655720.

The previous prime is 120213121291. The next prime is 120213121307. The reversal of 120213121303 is 303121312021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120213121303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213121307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5464232776 + ... + 5464232797.

It is an arithmetic number, because the mean of its divisors is an integer number (32785396722).

Almost surely, 2^120213121303 is an apocalyptic number.

120213121303 is a deficient number, since it is larger than the sum of its proper divisors (10928465585).

120213121303 is a wasteful number, since it uses less digits than its factorization.

120213121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928465584.

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

Adding to 120213121303 its reverse (303121312021), we get a palindrome (423334433324).

The spelling of 120213121303 in words is "one hundred twenty billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred three".