12642226443001 has 8 divisors (see below), whose sum is σ = 12656367811584. Its totient is φ = 12628090558800.

The previous prime is 12642226442899. The next prime is 12642226443013. The reversal of 12642226443001 is 10034462224621.

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 12642226443001 - 2¹⁷ = 12642226311929 is a prime.

It is a super-2 number, since 2×12642226443001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12642226443101) 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, 3250450 + ... + 5987476.

It is an arithmetic number, because the mean of its divisors is an integer number (1582045976448).

Almost surely, 2^{12642226443001} is an apocalyptic number.

It is an amenable number.

12642226443001 is a deficient number, since it is larger than the sum of its proper divisors (14141368583).

12642226443001 is a wasteful number, since it uses less digits than its factorization.

12642226443001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742191.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 12642226443001 its reverse (10034462224621), we get a palindrome (22676688667622).

The spelling of 12642226443001 in words is "twelve trillion, six hundred forty-two billion, two hundred twenty-six million, four hundred forty-three thousand, one".