12122220122002 has 8 divisors (see below), whose sum is σ = 18197095009212. Its totient is φ = 6056521785600.

The previous prime is 12122220121997. The next prime is 12122220122003. The reversal of 12122220122002 is 20022102222121.

It can be written as a sum of positive squares in 2 ways, for example, as 12122032952241 + 187169761 = 3481671^2 + 13681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12122220122003) 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, 2294134399 + ... + 2294139682.

Almost surely, 2^{12122220122002} is an apocalyptic number.

12122220122002 is a deficient number, since it is larger than the sum of its proper divisors (6074874887210).

12122220122002 is a wasteful number, since it uses less digits than its factorization.

12122220122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588275404.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12122220122002 its reverse (20022102222121), we get a palindrome (32144322344123).

The spelling of 12122220122002 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two".