1204971448321 has 4 divisors (see below), whose sum is σ = 1204973743792. Its totient is φ = 1204969152852.

The previous prime is 1204971448267. The next prime is 1204971448339. The reversal of 1204971448321 is 1238441794021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1204971448321 - 2²⁷ = 1204837230593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204971449321) 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, 71146 + ... + 1554028.

It is an arithmetic number, because the mean of its divisors is an integer number (301243435948).

Almost surely, 2^{1204971448321} is an apocalyptic number.

It is an amenable number.

1204971448321 is a deficient number, since it is larger than the sum of its proper divisors (2295471).

1204971448321 is an equidigital number, since it uses as much as digits as its factorization.

1204971448321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295470.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 1204971448321 in words is "one trillion, two hundred four billion, nine hundred seventy-one million, four hundred forty-eight thousand, three hundred twenty-one".