12002221122002 has 8 divisors (see below), whose sum is σ = 18145090200576. Its totient is φ = 5953857721812.

The previous prime is 12002221121977. The next prime is 12002221122007. The reversal of 12002221122002 is 20022112220021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12002221122002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12002221122007) 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, 23626419278 + ... + 23626419785.

It is an arithmetic number, because the mean of its divisors is an integer number (2268136275072).

Almost surely, 2^{12002221122002} is an apocalyptic number.

12002221122002 is a deficient number, since it is larger than the sum of its proper divisors (6142869078574).

12002221122002 is a wasteful number, since it uses less digits than its factorization.

12002221122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47252839192.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002221122002 its reverse (20022112220021), we get a palindrome (32024333342023).

The spelling of 12002221122002 in words is "twelve trillion, two billion, two hundred twenty-one million, one hundred twenty-two thousand, two".