20002201212 has 36 divisors (see below), whose sum is σ = 54291690600. Its totient is φ = 5714914464.

The previous prime is 20002201187. The next prime is 20002201217. The reversal of 20002201212 is 21210220002.

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 (20002201217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17008087 + ... + 17009262.

Almost surely, 2^20002201212 is an apocalyptic number.

It is an amenable number.

20002201212 is an abundant number, since it is smaller than the sum of its proper divisors (34289489388).

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

20002201212 is a wasteful number, since it uses less digits than its factorization.

20002201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34017370 (or 34017361 counting only the distinct ones).

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

Adding to 20002201212 its reverse (21210220002), we get a palindrome (41212421214).

The spelling of 20002201212 in words is "twenty billion, two million, two hundred one thousand, two hundred twelve".