33530404012 has 48 divisors (see below), whose sum is σ = 71065350720. Its totient is φ = 13536230400.

The previous prime is 33530404003. The next prime is 33530404021. The reversal of 33530404012 is 21040403533.

It is an interprime number because it is at equal distance from previous prime (33530404003) and next prime (33530404021).

It is a super-2 number, since 2×33530404012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470289 + ... + 536872.

It is an arithmetic number, because the mean of its divisors is an integer number (1480528140).

Almost surely, 2^33530404012 is an apocalyptic number.

It is an amenable number.

33530404012 is an abundant number, since it is smaller than the sum of its proper divisors (37534946708).

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

33530404012 is a wasteful number, since it uses less digits than its factorization.

33530404012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007242 (or 1007240 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 33530404012 its reverse (21040403533), we get a palindrome (54570807545).

The spelling of 33530404012 in words is "thirty-three billion, five hundred thirty million, four hundred four thousand, twelve".