33330012312 has 16 divisors (see below), whose sum is σ = 83325030840. Its totient is φ = 11110004096.

The previous prime is 33330012307. The next prime is 33330012323. The reversal of 33330012312 is 21321003333.

It is a super-2 number, since 2×33330012312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694375233 + ... + 694375280.

Almost surely, 2^33330012312 is an apocalyptic number.

It is an amenable number.

33330012312 is an abundant number, since it is smaller than the sum of its proper divisors (49995018528).

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

33330012312 is a wasteful number, since it uses less digits than its factorization.

33330012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388750522 (or 1388750518 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33330012312 its reverse (21321003333), we get a palindrome (54651015645).

The spelling of 33330012312 in words is "thirty-three billion, three hundred thirty million, twelve thousand, three hundred twelve".