2002220221212 has 144 divisors (see below), whose sum is σ = 5148967824000. Its totient is φ = 655945265280.

The previous prime is 2002220221187. The next prime is 2002220221223. The reversal of 2002220221212 is 2121220222002.

2002220221212 is a `hidden beast` number, since 200 + 2 + 220 + 221 + 21 + 2 = 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 47 ways as a sum of consecutive naturals, for example, 317860039 + ... + 317866337.

It is an arithmetic number, because the mean of its divisors is an integer number (35756721000).

Almost surely, 2^{2002220221212} is an apocalyptic number.

It is an amenable number.

2002220221212 is an abundant number, since it is smaller than the sum of its proper divisors (3146747602788).

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

2002220221212 is a wasteful number, since it uses less digits than its factorization.

2002220221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056 (or 7051 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2002220221212 its reverse (2121220222002), we get a palindrome (4123440443214).

The spelling of 2002220221212 in words is "two trillion, two billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twelve".