201212310450 has 48 divisors (see below), whose sum is σ = 499053906720. Its totient is φ = 53651521920.

The previous prime is 201212310443. The next prime is 201212310491. The reversal of 201212310450 is 54013212102.

201212310450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1680166 + ... + 1795934.

It is an arithmetic number, because the mean of its divisors is an integer number (10396956390).

Almost surely, 2^201212310450 is an apocalyptic number.

201212310450 is an abundant number, since it is smaller than the sum of its proper divisors (297841596270).

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

201212310450 is a wasteful number, since it uses less digits than its factorization.

201212310450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127371 (or 127366 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 201212310450 its reverse (54013212102), we get a palindrome (255225522552).

The spelling of 201212310450 in words is "two hundred one billion, two hundred twelve million, three hundred ten thousand, four hundred fifty".