33212123204 has 12 divisors (see below), whose sum is σ = 62592078444. Its totient is φ = 15328672224.

The previous prime is 33212123201. The next prime is 33212123227. The reversal of 33212123204 is 40232121233.

It can be written as a sum of positive squares in 2 ways, for example, as 3696883204 + 29515240000 = 60802^2 + 171800^2 .

It is a super-2 number, since 2×33212123204² (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 33212123204.

It is not an unprimeable number, because it can be changed into a prime (33212123201) by changing a digit.

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, 319347287 + ... + 319347390.

It is an arithmetic number, because the mean of its divisors is an integer number (5216006537).

Almost surely, 2^33212123204 is an apocalyptic number.

It is an amenable number.

33212123204 is a deficient number, since it is larger than the sum of its proper divisors (29379955240).

33212123204 is a wasteful number, since it uses less digits than its factorization.

33212123204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638694694 (or 638694692 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33212123204 its reverse (40232121233), we get a palindrome (73444244437).

The spelling of 33212123204 in words is "thirty-three billion, two hundred twelve million, one hundred twenty-three thousand, two hundred four".