20010202212 has 288 divisors, whose sum is σ = 64887214336. Its totient is φ = 4666844160.

The previous prime is 20010202187. The next prime is 20010202243. The reversal of 20010202212 is 21220201002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4886838 + ... + 4890930.

Almost surely, 2^20010202212 is an apocalyptic number.

20010202212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32443607168).

20010202212 is an abundant number, since it is smaller than the sum of its proper divisors (44877012124).

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

20010202212 is a wasteful number, since it uses less digits than its factorization.

20010202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4166 counting only the distinct ones).

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

Adding to 20010202212 its reverse (21220201002), we get a palindrome (41230403214).

It can be divided in two parts, 20010 and 202212, that added together give a palindrome (222222).

The spelling of 20010202212 in words is "twenty billion, ten million, two hundred two thousand, two hundred twelve".