43221031222412 has 6 divisors (see below), whose sum is σ = 75636804639228. Its totient is φ = 21610515611204.

The previous prime is 43221031222409. The next prime is 43221031222417. The reversal of 43221031222412 is 21422213012234.

It is a super-2 number, since 2×43221031222412² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43221031222417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402628902798 + ... + 5402628902805.

It is an arithmetic number, because the mean of its divisors is an integer number (12606134106538).

Almost surely, 2^{43221031222412} is an apocalyptic number.

It is an amenable number.

43221031222412 is a deficient number, since it is larger than the sum of its proper divisors (32415773416816).

43221031222412 is a wasteful number, since it uses less digits than its factorization.

43221031222412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805257805607 (or 10805257805605 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 43221031222412 its reverse (21422213012234), we get a palindrome (64643244234646).

The spelling of 43221031222412 in words is "forty-three trillion, two hundred twenty-one billion, thirty-one million, two hundred twenty-two thousand, four hundred twelve".