33534120000 has 140 divisors (see below), whose sum is σ = 110872022096. Its totient is φ = 8942400000.

The previous prime is 33534119999. The next prime is 33534120007. The reversal of 33534120000 is 2143533.

It is a super-2 number, since 2×33534120000² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33534120007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19726 + ... + 259725.

Almost surely, 2^33534120000 is an apocalyptic number.

33534120000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33534120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55436011048).

33534120000 is an abundant number, since it is smaller than the sum of its proper divisors (77337902096).

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

33534120000 is an equidigital number, since it uses as much as digits as its factorization.

33534120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279486 (or 279461 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 33534120000 its reverse (2143533), we get a palindrome (33536263533).

The spelling of 33534120000 in words is "thirty-three billion, five hundred thirty-four million, one hundred twenty thousand".