22321031121212 has 12 divisors (see below), whose sum is σ = 39062241207360. Its totient is φ = 11160390776256.

The previous prime is 22321031121199. The next prime is 22321031121229. The reversal of 22321031121212 is 21212113012322.

It is a super-3 number, since 3×22321031121212³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 30793037 + ... + 31509572.

It is an arithmetic number, because the mean of its divisors is an integer number (3255186767280).

Almost surely, 2^{22321031121212} is an apocalyptic number.

It is an amenable number.

22321031121212 is a deficient number, since it is larger than the sum of its proper divisors (16741210086148).

22321031121212 is a wasteful number, since it uses less digits than its factorization.

22321031121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62392180 (or 62392178 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22321031121212 its reverse (21212113012322), we get a palindrome (43533144133534).

The spelling of 22321031121212 in words is "twenty-two trillion, three hundred twenty-one billion, thirty-one million, one hundred twenty-one thousand, two hundred twelve".