20000212212 has 96 divisors (see below), whose sum is σ = 52645017600. Its totient is φ = 5877919872.

The previous prime is 20000212201. The next prime is 20000212217. The reversal of 20000212212 is 21221200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000212217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142489 + ... + 245567.

It is an arithmetic number, because the mean of its divisors is an integer number (548385600).

Almost surely, 2^20000212212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26322508800).

20000212212 is an abundant number, since it is smaller than the sum of its proper divisors (32644805388).

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

20000212212 is a wasteful number, since it uses less digits than its factorization.

20000212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103165 (or 103163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000212212 its reverse (21221200002), we get a palindrome (41221412214).

The spelling of 20000212212 in words is "twenty billion, two hundred twelve thousand, two hundred twelve".