2121212002012 has 24 divisors (see below), whose sum is σ = 3925018227200. Its totient is φ = 1000278863856.

The previous prime is 2121212001983. The next prime is 2121212002037. The reversal of 2121212002012 is 2102002121212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62563062 + ... + 62596957.

Almost surely, 2^{2121212002012} is an apocalyptic number.

It is an amenable number.

2121212002012 is a deficient number, since it is larger than the sum of its proper divisors (1803806225188).

2121212002012 is a wasteful number, since it uses less digits than its factorization.

2121212002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125160265 (or 125160263 counting only the distinct ones).

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

Adding to 2121212002012 its reverse (2102002121212), we get a palindrome (4223214123224).

The spelling of 2121212002012 in words is "two trillion, one hundred twenty-one billion, two hundred twelve million, two thousand, twelve".