20010200021212 has 6 divisors (see below), whose sum is σ = 35017850037128. Its totient is φ = 10005100010604.

The previous prime is 20010200021191. The next prime is 20010200021219. The reversal of 20010200021212 is 21212000201002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20010200021192 and 20010200021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010200021219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501275002648 + ... + 2501275002655.

Almost surely, 2^{20010200021212} is an apocalyptic number.

It is an amenable number.

20010200021212 is a deficient number, since it is larger than the sum of its proper divisors (15007650015916).

20010200021212 is a wasteful number, since it uses less digits than its factorization.

20010200021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002550005307 (or 5002550005305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010200021212 its reverse (21212000201002), we get a palindrome (41222200222214).

The spelling of 20010200021212 in words is "twenty trillion, ten billion, two hundred million, twenty-one thousand, two hundred twelve".