1214123230321 has 4 divisors (see below), whose sum is σ = 1216302985332. Its totient is φ = 1211943475312.

The previous prime is 1214123230297. The next prime is 1214123230339. The reversal of 1214123230321 is 1230323214121.

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 381355651600 + 832767578721 = 617540^2 + 912561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214123230321 - 2⁵ = 1214123230289 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214123230421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089876670 + ... + 1089877783.

It is an arithmetic number, because the mean of its divisors is an integer number (304075746333).

Almost surely, 2^{1214123230321} is an apocalyptic number.

It is an amenable number.

1214123230321 is a deficient number, since it is larger than the sum of its proper divisors (2179755011).

1214123230321 is an equidigital number, since it uses as much as digits as its factorization.

1214123230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179755010.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1214123230321 its reverse (1230323214121), we get a palindrome (2444446444442).

The spelling of 1214123230321 in words is "one trillion, two hundred fourteen billion, one hundred twenty-three million, two hundred thirty thousand, three hundred twenty-one".