12212031443 has 8 divisors (see below), whose sum is σ = 12856522320. Its totient is φ = 11567715840.

The previous prime is 12212031431. The next prime is 12212031449. The reversal of 12212031443 is 34413021221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12212031443 - 2³² = 7917064147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212031449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113771 + ... + 193307.

It is an arithmetic number, because the mean of its divisors is an integer number (1607065290).

Almost surely, 2^12212031443 is an apocalyptic number.

12212031443 is a deficient number, since it is larger than the sum of its proper divisors (644490877).

12212031443 is an equidigital number, since it uses as much as digits as its factorization.

12212031443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87637.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12212031443 its reverse (34413021221), we get a palindrome (46625052664).

The spelling of 12212031443 in words is "twelve billion, two hundred twelve million, thirty-one thousand, four hundred forty-three".