20012000212 has 12 divisors (see below), whose sum is σ = 35057988000. Its totient is φ = 9995432216.

The previous prime is 20012000191. The next prime is 20012000219. The reversal of 20012000212 is 21200021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012000219) 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, 2637712 + ... + 2645287.

It is an arithmetic number, because the mean of its divisors is an integer number (2921499000).

Almost surely, 2^20012000212 is an apocalyptic number.

It is an amenable number.

20012000212 is a deficient number, since it is larger than the sum of its proper divisors (15045987788).

20012000212 is a wasteful number, since it uses less digits than its factorization.

20012000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283950 (or 5283948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20012000212 its reverse (21200021002), we get a palindrome (41212021214).

The spelling of 20012000212 in words is "twenty billion, twelve million, two hundred twelve", and thus it is an aban number.