204070237812 has 480 divisors, whose sum is σ = 668977892352. Its totient is φ = 52918354944.

The previous prime is 204070237801. The next prime is 204070237817. The reversal of 204070237812 is 218732070402.

204070237812 is a `hidden beast` number, since 2 + 0 + 407 + 0 + 237 + 8 + 12 = 666.

204070237812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204070237817) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 137605623 + ... + 137607105.

Almost surely, 2^204070237812 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 204070237812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334488946176).

204070237812 is an abundant number, since it is smaller than the sum of its proper divisors (464907654540).

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

204070237812 is a wasteful number, since it uses less digits than its factorization.

204070237812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 204070237812 in words is "two hundred four billion, seventy million, two hundred thirty-seven thousand, eight hundred twelve".