22212132233212 has 24 divisors (see below), whose sum is σ = 39030841542896. Its totient is φ = 11060508002688.

The previous prime is 22212132233173. The next prime is 22212132233233. The reversal of 22212132233212 is 21233223121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3612303 + ... + 7581094.

Almost surely, 2^{22212132233212} is an apocalyptic number.

It is an amenable number.

22212132233212 is a deficient number, since it is larger than the sum of its proper divisors (16818709309684).

22212132233212 is a wasteful number, since it uses less digits than its factorization.

22212132233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195437 (or 11195435 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 22212132233212 its reverse (21233223121222), we get a palindrome (43445355354434).

The spelling of 22212132233212 in words is "twenty-two trillion, two hundred twelve billion, one hundred thirty-two million, two hundred thirty-three thousand, two hundred twelve".