43221243551352 has 32 divisors (see below), whose sum is σ = 114409174107600. Its totient is φ = 13559605819904.

The previous prime is 43221243551333. The next prime is 43221243551389. The reversal of 43221243551352 is 25315534212234.

It is a super-2 number, since 2×43221243551352² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52967209827 + ... + 52967210642.

Almost surely, 2^{43221243551352} is an apocalyptic number.

It is an amenable number.

43221243551352 is an abundant number, since it is smaller than the sum of its proper divisors (71187930556248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43221243551352 is a wasteful number, since it uses less digits than its factorization.

43221243551352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105934420495 (or 105934420491 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

Adding to 43221243551352 its reverse (25315534212234), we get a palindrome (68536777763586).

The spelling of 43221243551352 in words is "forty-three trillion, two hundred twenty-one billion, two hundred forty-three million, five hundred fifty-one thousand, three hundred fifty-two".