33011012312 has 8 divisors (see below), whose sum is σ = 61895648100. Its totient is φ = 16505506152.

The previous prime is 33011012299. The next prime is 33011012327. The reversal of 33011012312 is 21321011033.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2063188262 + ... + 2063188277.

Almost surely, 2^33011012312 is an apocalyptic number.

It is an amenable number.

33011012312 is a deficient number, since it is larger than the sum of its proper divisors (28884635788).

33011012312 is a wasteful number, since it uses less digits than its factorization.

33011012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126376545 (or 4126376541 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 33011012312 its reverse (21321011033), we get a palindrome (54332023345).

The spelling of 33011012312 in words is "thirty-three billion, eleven million, twelve thousand, three hundred twelve".