1213232033221 has 8 divisors (see below), whose sum is σ = 1336942634720. Its totient is φ = 1093862154672.

The previous prime is 1213232033219. The next prime is 1213232033239. The reversal of 1213232033221 is 1223302323121.

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 1213232033221 - 2¹ = 1213232033219 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 (1213232033201) 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, 1085180151 + ... + 1085181268.

It is an arithmetic number, because the mean of its divisors is an integer number (167117829340).

Almost surely, 2^{1213232033221} is an apocalyptic number.

It is an amenable number.

1213232033221 is a deficient number, since it is larger than the sum of its proper divisors (123710601499).

1213232033221 is a wasteful number, since it uses less digits than its factorization.

1213232033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170361475.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1213232033221 its reverse (1223302323121), we get a palindrome (2436534356342).

The spelling of 1213232033221 in words is "one trillion, two hundred thirteen billion, two hundred thirty-two million, thirty-three thousand, two hundred twenty-one".