33012212232 has 64 divisors (see below), whose sum is σ = 85223324160. Its totient is φ = 10645286400.

The previous prime is 33012212231. The next prime is 33012212273. The reversal of 33012212232 is 23221221033.

It is a happy number.

It is a super-2 number, since 2×33012212232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33012212199 and 33012212208.

It is not an unprimeable number, because it can be changed into a prime (33012212231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681932 + ... + 2694212.

It is an arithmetic number, because the mean of its divisors is an integer number (1331614440).

Almost surely, 2^33012212232 is an apocalyptic number.

It is an amenable number.

33012212232 is an abundant number, since it is smaller than the sum of its proper divisors (52211111928).

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

33012212232 is a wasteful number, since it uses less digits than its factorization.

33012212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15934 (or 15930 counting only the distinct ones).

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

Adding to 33012212232 its reverse (23221221033), we get a palindrome (56233433265).

The spelling of 33012212232 in words is "thirty-three billion, twelve million, two hundred twelve thousand, two hundred thirty-two".