12220002223001 has 4 divisors (see below), whose sum is σ = 12240335006004. Its totient is φ = 12199669440000.

The previous prime is 12220002222991. The next prime is 12220002223019. The reversal of 12220002223001 is 10032220002221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8541473856400 + 3678528366601 = 2922580^2 + 1917949^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220002223001 - 2¹⁸ = 12220001960857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220002223021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10166390600 + ... + 10166391801.

It is an arithmetic number, because the mean of its divisors is an integer number (3060083751501).

Almost surely, 2^{12220002223001} is an apocalyptic number.

It is an amenable number.

12220002223001 is a deficient number, since it is larger than the sum of its proper divisors (20332783003).

12220002223001 is an equidigital number, since it uses as much as digits as its factorization.

12220002223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20332783002.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12220002223001 its reverse (10032220002221), we get a palindrome (22252222225222).

The spelling of 12220002223001 in words is "twelve trillion, two hundred twenty billion, two million, two hundred twenty-three thousand, one".