33853085712 has 120 divisors (see below), whose sum is σ = 97040852480. Its totient is φ = 11013615360.

The previous prime is 33853085671. The next prime is 33853085719. The reversal of 33853085712 is 21758035833.

33853085712 is a `hidden beast` number, since 3 + 38 + 530 + 85 + 7 + 1 + 2 = 666.

It is a super-2 number, since 2×33853085712² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33853085719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035537 + ... + 1067727.

Almost surely, 2^33853085712 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 33853085712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48520426240).

33853085712 is an abundant number, since it is smaller than the sum of its proper divisors (63187766768).

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

33853085712 is a wasteful number, since it uses less digits than its factorization.

33853085712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32381 (or 32372 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 33853085712 in words is "thirty-three billion, eight hundred fifty-three million, eighty-five thousand, seven hundred twelve".