33322122012 has 12 divisors (see below), whose sum is σ = 77751618056. Its totient is φ = 11107374000.

The previous prime is 33322121983. The next prime is 33322122013. The reversal of 33322122012 is 21022122333.

It is a happy number.

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

It is a super-2 number, since 2×33322122012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33322122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33322122013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388421739 + ... + 1388421762.

Almost surely, 2^33322122012 is an apocalyptic number.

It is an amenable number.

33322122012 is an abundant number, since it is smaller than the sum of its proper divisors (44429496044).

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

33322122012 is a wasteful number, since it uses less digits than its factorization.

33322122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776843508 (or 2776843506 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33322122012 its reverse (21022122333), we get a palindrome (54344244345).

The spelling of 33322122012 in words is "thirty-three billion, three hundred twenty-two million, one hundred twenty-two thousand, twelve".