120321100213 has 4 divisors (see below), whose sum is σ = 120329807148. Its totient is φ = 120312393280.

The previous prime is 120321100189. The next prime is 120321100241. The reversal of 120321100213 is 312001123021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11686258609 + 108634841604 = 108103^2 + 329598^2 .

It is a cyclic number.

It is not a de Polignac number, because 120321100213 - 2¹⁷ = 120320969141 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 (120321100813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4332706 + ... + 4360387.

It is an arithmetic number, because the mean of its divisors is an integer number (30082451787).

Almost surely, 2^120321100213 is an apocalyptic number.

It is an amenable number.

120321100213 is a deficient number, since it is larger than the sum of its proper divisors (8706935).

120321100213 is an equidigital number, since it uses as much as digits as its factorization.

120321100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706934.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120321100213 its reverse (312001123021), we get a palindrome (432322223234).

The spelling of 120321100213 in words is "one hundred twenty billion, three hundred twenty-one million, one hundred thousand, two hundred thirteen".