201212052 has 48 divisors (see below), whose sum is σ = 500505600. Its totient is φ = 62730720.

The previous prime is 201212023. The next prime is 201212059. The reversal of 201212052 is 250212102.

201212052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212059) 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, 12427 + ... + 23597.

It is an arithmetic number, because the mean of its divisors is an integer number (10427200).

Almost surely, 2^201212052 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 201212052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250252800).

201212052 is an abundant number, since it is smaller than the sum of its proper divisors (299293548).

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

201212052 is a wasteful number, since it uses less digits than its factorization.

201212052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276 (or 11274 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 201212052 is about 14184.9234047985. The cubic root of 201212052 is about 585.9825230570.

Adding to 201212052 its reverse (250212102), we get a palindrome (451424154).

Subtracting 201212052 from its reverse (250212102), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 201212052 in words is "two hundred one million, two hundred twelve thousand, fifty-two".