20213000033212 has 12 divisors (see below), whose sum is σ = 40426000066480. Its totient is φ = 8662714299936.

The previous prime is 20213000033183. The next prime is 20213000033221. The reversal of 20213000033212 is 21233000031202.

20213000033212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20213000033212.

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, 360946429137 + ... + 360946429192.

Almost surely, 2^{20213000033212} is an apocalyptic number.

It is an amenable number.

20213000033212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20213000033212 is a wasteful number, since it uses less digits than its factorization.

20213000033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721892858340 (or 721892858338 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20213000033212 its reverse (21233000031202), we get a palindrome (41446000064414).

The spelling of 20213000033212 in words is "twenty trillion, two hundred thirteen billion, thirty-three thousand, two hundred twelve".