33012003132 has 72 divisors (see below), whose sum is σ = 87659863200. Its totient is φ = 10454885760.

The previous prime is 33012003107. The next prime is 33012003149. The reversal of 33012003132 is 23130021033.

33012003132 is a `hidden beast` number, since 330 + 1 + 20 + 0 + 313 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10419 + ... + 257162.

It is an arithmetic number, because the mean of its divisors is an integer number (1217498100).

Almost surely, 2^33012003132 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 33012003132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43829931600).

33012003132 is an abundant number, since it is smaller than the sum of its proper divisors (54647860068).

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

33012003132 is a wasteful number, since it uses less digits than its factorization.

33012003132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267763 (or 267758 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 33012003132 its reverse (23130021033), we get a palindrome (56142024165).

The spelling of 33012003132 in words is "thirty-three billion, twelve million, three thousand, one hundred thirty-two".