33252523212 has 12 divisors (see below), whose sum is σ = 77589220856. Its totient is φ = 11084174400.

The previous prime is 33252523211. The next prime is 33252523279. The reversal of 33252523212 is 21232525233.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33252523212² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33252523212.

It is not an unprimeable number, because it can be changed into a prime (33252523211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385521789 + ... + 1385521812.

Almost surely, 2^33252523212 is an apocalyptic number.

It is an amenable number.

33252523212 is an abundant number, since it is smaller than the sum of its proper divisors (44336697644).

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

33252523212 is a wasteful number, since it uses less digits than its factorization.

33252523212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771043608 (or 2771043606 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The spelling of 33252523212 in words is "thirty-three billion, two hundred fifty-two million, five hundred twenty-three thousand, two hundred twelve".