201869946312 has 128 divisors (see below), whose sum is σ = 524559974400. Its totient is φ = 64670284800.

The previous prime is 201869946253. The next prime is 201869946319. The reversal of 201869946312 is 213649968102.

It is not an unprimeable number, because it can be changed into a prime (201869946319) 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, 75127033 + ... + 75129719.

It is an arithmetic number, because the mean of its divisors is an integer number (4098124800).

Almost surely, 2^201869946312 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 201869946312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262279987200).

201869946312 is an abundant number, since it is smaller than the sum of its proper divisors (322690028088).

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

201869946312 is a wasteful number, since it uses less digits than its factorization.

201869946312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 201869946312 in words is "two hundred one billion, eight hundred sixty-nine million, nine hundred forty-six thousand, three hundred twelve".