33000332212 has 24 divisors (see below), whose sum is σ = 58464223776. Its totient is φ = 16296390048.

The previous prime is 33000332203. The next prime is 33000332231. The reversal of 33000332212 is 21223300033.

It is a happy number.

It is a super-2 number, since 2×33000332212² (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 33000332212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226043 + ... + 1252669.

It is an arithmetic number, because the mean of its divisors is an integer number (2436009324).

Almost surely, 2^33000332212 is an apocalyptic number.

It is an amenable number.

33000332212 is a deficient number, since it is larger than the sum of its proper divisors (25463891564).

33000332212 is a wasteful number, since it uses less digits than its factorization.

33000332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30447 (or 30445 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33000332212 its reverse (21223300033), we get a palindrome (54223632245).

The spelling of 33000332212 in words is "thirty-three billion, three hundred thirty-two thousand, two hundred twelve".