20000212201212 has 12 divisors (see below), whose sum is σ = 46667161802856. Its totient is φ = 6666737400400.

The previous prime is 20000212201199. The next prime is 20000212201247. The reversal of 20000212201212 is 21210221200002.

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 = 20000212201191 and 20000212201200.

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, 833342175039 + ... + 833342175062.

It is an arithmetic number, because the mean of its divisors is an integer number (3888930150238).

Almost surely, 2^{20000212201212} is an apocalyptic number.

It is an amenable number.

20000212201212 is an abundant number, since it is smaller than the sum of its proper divisors (26666949601644).

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

20000212201212 is a wasteful number, since it uses less digits than its factorization.

20000212201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666684350108 (or 1666684350106 counting only the distinct ones).

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

Adding to 20000212201212 its reverse (21210221200002), we get a palindrome (41210433401214).

The spelling of 20000212201212 in words is "twenty trillion, two hundred twelve million, two hundred one thousand, two hundred twelve".