20002000221212 has 36 divisors (see below), whose sum is σ = 37766386895160. Its totient is φ = 9243543047040.

The previous prime is 20002000221157. The next prime is 20002000221377. The reversal of 20002000221212 is 21212200020002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78154283 + ... + 78409794.

Almost surely, 2^{20002000221212} is an apocalyptic number.

It is an amenable number.

20002000221212 is a deficient number, since it is larger than the sum of its proper divisors (17764386673948).

20002000221212 is a wasteful number, since it uses less digits than its factorization.

20002000221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156564182 (or 156564139 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20002000221212 its reverse (21212200020002), we get a palindrome (41214200241214).

It can be divided in two parts, 200020002 and 21212, that multiplied together give a palindrome (4242824282424).

The spelling of 20002000221212 in words is "twenty trillion, two billion, two hundred twenty-one thousand, two hundred twelve".