33240000012 has 12 divisors (see below), whose sum is σ = 77560000056. Its totient is φ = 11080000000.

The previous prime is 33239999999. The next prime is 33240000043. The reversal of 33240000012 is 21000004233.

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

It is a super-2 number, since 2×33240000012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33239999946 and 33240000000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384999989 + ... + 1385000012.

It is an arithmetic number, because the mean of its divisors is an integer number (6463333338).

Almost surely, 2^33240000012 is an apocalyptic number.

It is an amenable number.

33240000012 is an abundant number, since it is smaller than the sum of its proper divisors (44320000044).

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

33240000012 is a wasteful number, since it uses less digits than its factorization.

33240000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770000008 (or 2770000006 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 33240000012 its reverse (21000004233), we get a palindrome (54240004245).

The spelling of 33240000012 in words is "thirty-three billion, two hundred forty million, twelve", and thus it is an aban number.