22443310211212 has 18 divisors (see below), whose sum is σ = 43170912824564. Its totient is φ = 10201504641240.

The previous prime is 22443310211183. The next prime is 22443310211221. The reversal of 22443310211212 is 21211201334422.

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 5 ways as a sum of consecutive naturals, for example, 23185237338 + ... + 23185238305.

Almost surely, 2^{22443310211212} is an apocalyptic number.

22443310211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22443310211212 is a deficient number, since it is larger than the sum of its proper divisors (20727602613352).

22443310211212 is a wasteful number, since it uses less digits than its factorization.

22443310211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46370475669 (or 46370475656 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 22443310211212 its reverse (21211201334422), we get a palindrome (43654511545634).

The spelling of 22443310211212 in words is "twenty-two trillion, four hundred forty-three billion, three hundred ten million, two hundred eleven thousand, two hundred twelve".