1213320010321 has 16 divisors (see below), whose sum is σ = 1347284448000. Its totient is φ = 1086809315328.

The previous prime is 1213320010289. The next prime is 1213320010327. The reversal of 1213320010321 is 1230100233121.

It is a cyclic number.

It is not a de Polignac number, because 1213320010321 - 2⁵ = 1213320010289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213320010327) 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 15 ways as a sum of consecutive naturals, for example, 7718976 + ... + 7874593.

It is an arithmetic number, because the mean of its divisors is an integer number (84205278000).

Almost surely, 2^{1213320010321} is an apocalyptic number.

It is an amenable number.

1213320010321 is a deficient number, since it is larger than the sum of its proper divisors (133964437679).

1213320010321 is a wasteful number, since it uses less digits than its factorization.

1213320010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593808.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1213320010321 its reverse (1230100233121), we get a palindrome (2443420243442).

The spelling of 1213320010321 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, ten thousand, three hundred twenty-one".