12221200021001 has 8 divisors (see below), whose sum is σ = 12370888659360. Its totient is φ = 12071569603392.

The previous prime is 12221200020979. The next prime is 12221200021057. The reversal of 12221200021001 is 10012000212221.

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 12221200021001 - 2⁶ = 12221200020937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221200021081) 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, 14132720 + ... + 14972513.

It is an arithmetic number, because the mean of its divisors is an integer number (1546361082420).

Almost surely, 2^{12221200021001} is an apocalyptic number.

It is an amenable number.

12221200021001 is a deficient number, since it is larger than the sum of its proper divisors (149688638359).

12221200021001 is an equidigital number, since it uses as much as digits as its factorization.

12221200021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29110375.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221200021001 its reverse (10012000212221), we get a palindrome (22233200233222).

The spelling of 12221200021001 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, twenty-one thousand, one".