2002120021212 has 48 divisors (see below), whose sum is σ = 4750398184224. Its totient is φ = 656128512000.

The previous prime is 2002120021091. The next prime is 2002120021229. The reversal of 2002120021212 is 2121200212002.

It is a junction number, because it is equal to n+sod(n) for n = 2002120021191 and 2002120021200.

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, 949012 + ... + 2214692.

It is an arithmetic number, because the mean of its divisors is an integer number (98966628838).

Almost surely, 2^{2002120021212} is an apocalyptic number.

It is an amenable number.

2002120021212 is an abundant number, since it is smaller than the sum of its proper divisors (2748278163012).

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

2002120021212 is a wasteful number, since it uses less digits than its factorization.

2002120021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267910 (or 1267908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002120021212 its reverse (2121200212002), we get a palindrome (4123320233214).

The spelling of 2002120021212 in words is "two trillion, two billion, one hundred twenty million, twenty-one thousand, two hundred twelve".