20012201020212 has 12 divisors (see below), whose sum is σ = 46695135713856. Its totient is φ = 6670733673400.

The previous prime is 20012201020211. The next prime is 20012201020223. The reversal of 20012201020212 is 21202010221002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20012201020191 and 20012201020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012201020211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833841709164 + ... + 833841709187.

It is an arithmetic number, because the mean of its divisors is an integer number (3891261309488).

Almost surely, 2^{20012201020212} is an apocalyptic number.

It is an amenable number.

20012201020212 is an abundant number, since it is smaller than the sum of its proper divisors (26682934693644).

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

20012201020212 is a wasteful number, since it uses less digits than its factorization.

20012201020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667683418358 (or 1667683418356 counting only the distinct ones).

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

Adding to 20012201020212 its reverse (21202010221002), we get a palindrome (41214211241214).

The spelling of 20012201020212 in words is "twenty trillion, twelve billion, two hundred one million, twenty thousand, two hundred twelve".