20001202212 has 48 divisors (see below), whose sum is σ = 48721780800. Its totient is φ = 6378099840.

The previous prime is 20001202189. The next prime is 20001202213. The reversal of 20001202212 is 21220210002.

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

It is not an unprimeable number, because it can be changed into a prime (20001202213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225714 + ... + 301577.

It is an arithmetic number, because the mean of its divisors is an integer number (1015037100).

Almost surely, 2^20001202212 is an apocalyptic number.

It is an amenable number.

20001202212 is an abundant number, since it is smaller than the sum of its proper divisors (28720578588).

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

20001202212 is a wasteful number, since it uses less digits than its factorization.

20001202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527436 (or 527434 counting only the distinct ones).

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

Adding to 20001202212 its reverse (21220210002), we get a palindrome (41221412214).

The spelling of 20001202212 in words is "twenty billion, one million, two hundred two thousand, two hundred twelve".