12201222120002 has 16 divisors (see below), whose sum is σ = 18368642973240. Its totient is φ = 6078350984832.

The previous prime is 12201222120001. The next prime is 12201222120041. The reversal of 12201222120002 is 20002122210221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12192464716441 + 8757403561 = 3491771^2 + 93581^2 .

It is not an unprimeable number, because it can be changed into a prime (12201222120001) 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, 16478 + ... + 4939910.

Almost surely, 2^{12201222120002} is an apocalyptic number.

12201222120002 is a deficient number, since it is larger than the sum of its proper divisors (6167420853238).

12201222120002 is a wasteful number, since it uses less digits than its factorization.

12201222120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927957.

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

Adding to 12201222120002 its reverse (20002122210221), we get a palindrome (32203344330223).

The spelling of 12201222120002 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty thousand, two".