33213212231222 has 16 divisors (see below), whose sum is σ = 50881600785600. Its totient is φ = 16252703445888.

The previous prime is 33213212231209. The next prime is 33213212231237. The reversal of 33213212231222 is 22213221231233.

It is a super-2 number, since 2×33213212231222² (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 7 ways as a sum of consecutive naturals, for example, 3504563 + ... + 8871774.

It is an arithmetic number, because the mean of its divisors is an integer number (3180100049100).

Almost surely, 2^{33213212231222} is an apocalyptic number.

33213212231222 is a deficient number, since it is larger than the sum of its proper divisors (17668388554378).

33213212231222 is a wasteful number, since it uses less digits than its factorization.

33213212231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404935.

The product of its digits is 10368, while the sum is 29.

Adding to 33213212231222 its reverse (22213221231233), we get a palindrome (55426433462455).

The spelling of 33213212231222 in words is "thirty-three trillion, two hundred thirteen billion, two hundred twelve million, two hundred thirty-one thousand, two hundred twenty-two".