22130223213212 has 24 divisors (see below), whose sum is σ = 38737243967520. Its totient is φ = 11062439504640.

The previous prime is 22130223213187. The next prime is 22130223213227. The reversal of 22130223213212 is 21231232203122.

It is a super-2 number, since 2×22130223213212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531431912 + ... + 531473552.

It is an arithmetic number, because the mean of its divisors is an integer number (1614051831980).

Almost surely, 2^{22130223213212} is an apocalyptic number.

It is an amenable number.

22130223213212 is a deficient number, since it is larger than the sum of its proper divisors (16607020754308).

22130223213212 is a wasteful number, since it uses less digits than its factorization.

22130223213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70541 (or 70539 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22130223213212 its reverse (21231232203122), we get a palindrome (43361455416334).

The spelling of 22130223213212 in words is "twenty-two trillion, one hundred thirty billion, two hundred twenty-three million, two hundred thirteen thousand, two hundred twelve".