1213201033321 has 8 divisors (see below), whose sum is σ = 1239038910720. Its totient is φ = 1187364201408.

The previous prime is 1213201033283. The next prime is 1213201033333. The reversal of 1213201033321 is 1233301023121.

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 1213201033321 - 2³³ = 1204611098729 is a prime.

It is a super-2 number, since 2×1213201033321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213201033292 and 1213201033301.

It is not an unprimeable number, because it can be changed into a prime (1213201043321) 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 7 ways as a sum of consecutive naturals, for example, 2361460 + ... + 2828938.

It is an arithmetic number, because the mean of its divisors is an integer number (154879863840).

Almost surely, 2^{1213201033321} is an apocalyptic number.

It is an amenable number.

1213201033321 is a deficient number, since it is larger than the sum of its proper divisors (25837877399).

1213201033321 is an equidigital number, since it uses as much as digits as its factorization.

1213201033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522743.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1213201033321 its reverse (1233301023121), we get a palindrome (2446502056442).

The spelling of 1213201033321 in words is "one trillion, two hundred thirteen billion, two hundred one million, thirty-three thousand, three hundred twenty-one".