12002202001 has 4 divisors (see below), whose sum is σ = 12108416292. Its totient is φ = 11895987712.

The previous prime is 12002201989. The next prime is 12002202019. The reversal of 12002202001 is 10020220021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10020220021 = 7 ⋅1431460003.

It can be written as a sum of positive squares in 2 ways, for example, as 5483254401 + 6518947600 = 74049^2 + 80740^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002202001 - 2¹¹ = 12002199953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002302001) 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, 53106976 + ... + 53107201.

It is an arithmetic number, because the mean of its divisors is an integer number (3027104073).

Almost surely, 2^12002202001 is an apocalyptic number.

It is an amenable number.

12002202001 is a deficient number, since it is larger than the sum of its proper divisors (106214291).

12002202001 is a wasteful number, since it uses less digits than its factorization.

12002202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106214290.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12002202001 its reverse (10020220021), we get a palindrome (22022422022).

The spelling of 12002202001 in words is "twelve billion, two million, two hundred two thousand, one".