12000220001001 has 24 divisors (see below), whose sum is σ = 17783436958560. Its totient is φ = 7794953126016.

The previous prime is 12000220000991. The next prime is 12000220001041. The reversal of 12000220001001 is 10010002200021.

12000220001001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12000220001001 - 2¹¹ = 12000219998953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12000220001041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99936831 + ... + 100056836.

It is an arithmetic number, because the mean of its divisors is an integer number (740976539940).

Almost surely, 2^{12000220001001} is an apocalyptic number.

It is an amenable number.

12000220001001 is a deficient number, since it is larger than the sum of its proper divisors (5783216957559).

12000220001001 is a wasteful number, since it uses less digits than its factorization.

12000220001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199993845 (or 199993842 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12000220001001 its reverse (10010002200021), we get a palindrome (22010222201022).

The spelling of 12000220001001 in words is "twelve trillion, two hundred twenty million, one thousand, one".