20002211111212 has 48 divisors (see below), whose sum is σ = 39591971596800. Its totient is φ = 8758583812160.

The previous prime is 20002211111191. The next prime is 20002211111213. The reversal of 20002211111212 is 21211111220002.

It is not an unprimeable number, because it can be changed into a prime (20002211111213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17127412 + ... + 18257947.

It is an arithmetic number, because the mean of its divisors is an integer number (824832741600).

Almost surely, 2^{20002211111212} is an apocalyptic number.

20002211111212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20002211111212 is a deficient number, since it is larger than the sum of its proper divisors (19589760485588).

20002211111212 is a wasteful number, since it uses less digits than its factorization.

20002211111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35385846 (or 35385844 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20002211111212 its reverse (21211111220002), we get a palindrome (41213322331214).

The spelling of 20002211111212 in words is "twenty trillion, two billion, two hundred eleven million, one hundred eleven thousand, two hundred twelve".