33313221201212 has 12 divisors (see below), whose sum is σ = 58757177552640. Its totient is φ = 16525456186176.

The previous prime is 33313221201209. The next prime is 33313221201259. The reversal of 33313221201212 is 21210212231333.

It is a super-2 number, since 2×33313221201212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32788603037 + ... + 32788604052.

It is an arithmetic number, because the mean of its divisors is an integer number (4896431462720).

Almost surely, 2^{33313221201212} is an apocalyptic number.

It is an amenable number.

33313221201212 is a deficient number, since it is larger than the sum of its proper divisors (25443956351428).

33313221201212 is a wasteful number, since it uses less digits than its factorization.

33313221201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65577207220 (or 65577207218 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 33313221201212 its reverse (21210212231333), we get a palindrome (54523433432545).

The spelling of 33313221201212 in words is "thirty-three trillion, three hundred thirteen billion, two hundred twenty-one million, two hundred one thousand, two hundred twelve".