201804837912 has 96 divisors (see below), whose sum is σ = 569766113280. Its totient is φ = 66915966240.

The previous prime is 201804837863. The next prime is 201804837929. The reversal of 201804837912 is 219738408102.

It is a happy number.

201804837912 is a `hidden beast` number, since 2 + 0 + 1 + 80 + 483 + 7 + 91 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99553 + ... + 643055.

It is an arithmetic number, because the mean of its divisors is an integer number (5935063680).

Almost surely, 2^201804837912 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 201804837912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284883056640).

201804837912 is an abundant number, since it is smaller than the sum of its proper divisors (367961275368).

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

201804837912 is a wasteful number, since it uses less digits than its factorization.

201804837912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543715 (or 543699 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 201804837912 in words is "two hundred one billion, eight hundred four million, eight hundred thirty-seven thousand, nine hundred twelve".