33215125120 has 128 divisors (see below), whose sum is σ = 83688552000. Its totient is φ = 12571066368.

The previous prime is 33215125109. The next prime is 33215125121. The reversal of 33215125120 is 2152151233.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×33215125120² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33215125121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15600216 + ... + 15602344.

Almost surely, 2^33215125120 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 33215125120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41844276000).

33215125120 is an abundant number, since it is smaller than the sum of its proper divisors (50473426880).

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

33215125120 is a wasteful number, since it uses less digits than its factorization.

33215125120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 33215125120 its reverse (2152151233), we get a palindrome (35367276353).

The spelling of 33215125120 in words is "thirty-three billion, two hundred fifteen million, one hundred twenty-five thousand, one hundred twenty".