12212033013221 has 8 divisors (see below), whose sum is σ = 12473477936640. Its totient is φ = 11950655357968.

The previous prime is 12212033013199. The next prime is 12212033013281. The reversal of 12212033013221 is 12231033021221.

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 12212033013221 - 2²⁶ = 12211965904357 is a prime.

It is a super-3 number, since 3×12212033013221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212033013281) 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, 16449986 + ... + 17176323.

It is an arithmetic number, because the mean of its divisors is an integer number (1559184742080).

Almost surely, 2^{12212033013221} is an apocalyptic number.

It is an amenable number.

12212033013221 is a deficient number, since it is larger than the sum of its proper divisors (261444923419).

12212033013221 is an equidigital number, since it uses as much as digits as its factorization.

12212033013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33634083.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12212033013221 its reverse (12231033021221), we get a palindrome (24443066034442).

The spelling of 12212033013221 in words is "twelve trillion, two hundred twelve billion, thirty-three million, thirteen thousand, two hundred twenty-one".