12133021123221 has 8 divisors (see below), whose sum is σ = 16198289523360. Its totient is φ = 8078216735952.

The previous prime is 12133021123219. The next prime is 12133021123243. The reversal of 12133021123221 is 12232112033121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12133021123221 - 2¹ = 12133021123219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12133021123191 and 12133021123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133021123621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2616000511 + ... + 2616005148.

It is an arithmetic number, because the mean of its divisors is an integer number (2024786190420).

Almost surely, 2^{12133021123221} is an apocalyptic number.

It is an amenable number.

12133021123221 is a deficient number, since it is larger than the sum of its proper divisors (4065268400139).

12133021123221 is an equidigital number, since it uses as much as digits as its factorization.

12133021123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232006435.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12133021123221 its reverse (12232112033121), we get a palindrome (24365133156342).

The spelling of 12133021123221 in words is "twelve trillion, one hundred thirty-three billion, twenty-one million, one hundred twenty-three thousand, two hundred twenty-one".