1230306318221 has 8 divisors (see below), whose sum is σ = 1247556698880. Its totient is φ = 1213097859792.

The previous prime is 1230306318217. The next prime is 1230306318239. The reversal of 1230306318221 is 1228136030321.

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

It is a cyclic number.

It is not a de Polignac number, because 1230306318221 - 2² = 1230306318217 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 (1230306318721) 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, 10421450 + ... + 10538843.

It is an arithmetic number, because the mean of its divisors is an integer number (155944587360).

Almost surely, 2^{1230306318221} is an apocalyptic number.

It is an amenable number.

1230306318221 is a deficient number, since it is larger than the sum of its proper divisors (17250380659).

1230306318221 is an equidigital number, since it uses as much as digits as its factorization.

1230306318221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20961115.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 1230306318221 in words is "one trillion, two hundred thirty billion, three hundred six million, three hundred eighteen thousand, two hundred twenty-one".