12001222011202 has 4 divisors (see below), whose sum is σ = 18001833016806. Its totient is φ = 6000611005600.

The previous prime is 12001222011199. The next prime is 12001222011223. The reversal of 12001222011202 is 20211022210021.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 8201642550201 + 3799579461001 = 2863851^2 + 1949251^2 .

It is a super-3 number, since 3×12001222011202³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000305502799 + ... + 3000305502802.

Almost surely, 2^{12001222011202} is an apocalyptic number.

12001222011202 is a deficient number, since it is larger than the sum of its proper divisors (6000611005604).

12001222011202 is an equidigital number, since it uses as much as digits as its factorization.

12001222011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000611005603.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12001222011202 its reverse (20211022210021), we get a palindrome (32212244221223).

The spelling of 12001222011202 in words is "twelve trillion, one billion, two hundred twenty-two million, eleven thousand, two hundred two".