20001201000212 has 12 divisors (see below), whose sum is σ = 35395383793140. Its totient is φ = 9888234202176.

The previous prime is 20001201000169. The next prime is 20001201000227. The reversal of 20001201000212 is 21200010210002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6128526043396 + 13872674956816 = 2475586^2 + 3724604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20001201000193 and 20001201000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28091574083 + ... + 28091574794.

It is an arithmetic number, because the mean of its divisors is an integer number (2949615316095).

Almost surely, 2^{20001201000212} is an apocalyptic number.

It is an amenable number.

20001201000212 is a deficient number, since it is larger than the sum of its proper divisors (15394182792928).

20001201000212 is a wasteful number, since it uses less digits than its factorization.

20001201000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56183148970 (or 56183148968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001201000212 its reverse (21200010210002), we get a palindrome (41201211210214).

The spelling of 20001201000212 in words is "twenty trillion, one billion, two hundred one million, two hundred twelve", and thus it is an aban number.