201212202000 has 160 divisors (see below), whose sum is σ = 649152451584. Its totient is φ = 53619840000.

The previous prime is 201212201941. The next prime is 201212202001. The reversal of 201212202000 is 202212102.

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 (201212202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9391300 + ... + 9412700.

Almost surely, 2^201212202000 is an apocalyptic number.

201212202000 is a gapful number since it is divisible by the number (20) 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 201212202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324576225792).

201212202000 is an abundant number, since it is smaller than the sum of its proper divisors (447940249584).

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

201212202000 is a wasteful number, since it uses less digits than its factorization.

201212202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22994 (or 22978 counting only the distinct ones).

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

Adding to 201212202000 its reverse (202212102), we get a palindrome (201414414102).

The spelling of 201212202000 in words is "two hundred one billion, two hundred twelve million, two hundred two thousand".