2002122121212 has 48 divisors (see below), whose sum is σ = 5254769559200. Its totient is φ = 667374037488.

The previous prime is 2002122121189. The next prime is 2002122121247. The reversal of 2002122121212 is 2121212212002.

It is a happy number.

2002122121212 is a `hidden beast` number, since 200 + 21 + 221 + 212 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114424387 + ... + 114441882.

Almost surely, 2^{2002122121212} is an apocalyptic number.

It is an amenable number.

2002122121212 is an abundant number, since it is smaller than the sum of its proper divisors (3252647437988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002122121212 is an equidigital number, since it uses as much as digits as its factorization.

2002122121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228866294 (or 228866274 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2002122121212 its reverse (2121212212002), we get a palindrome (4123334333214).

The spelling of 2002122121212 in words is "two trillion, two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".