120303012221 has 8 divisors (see below), whose sum is σ = 137558646720. Its totient is φ = 103064750208.

The previous prime is 120303012187. The next prime is 120303012223. The reversal of 120303012221 is 122210303021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120303012221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120303012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120303012223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328276 + ... + 4355981.

It is an arithmetic number, because the mean of its divisors is an integer number (17194830840).

Almost surely, 2^120303012221 is an apocalyptic number.

It is an amenable number.

120303012221 is a deficient number, since it is larger than the sum of its proper divisors (17255634499).

120303012221 is an equidigital number, since it uses as much as digits as its factorization.

120303012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686243.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120303012221 its reverse (122210303021), we get a palindrome (242513315242).

The spelling of 120303012221 in words is "one hundred twenty billion, three hundred three million, twelve thousand, two hundred twenty-one".