12232203445 has 24 divisors (see below), whose sum is σ = 18627448608. Its totient is φ = 7625268000.

The previous prime is 12232203433. The next prime is 12232203449. The reversal of 12232203445 is 54430223221.

12232203445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12232203445 - 2¹³ = 12232195253 is a prime.

It is a super-2 number, since 2×12232203445² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232203449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2266731 + ... + 2272120.

It is an arithmetic number, because the mean of its divisors is an integer number (776143692).

Almost surely, 2^12232203445 is an apocalyptic number.

It is an amenable number.

12232203445 is a deficient number, since it is larger than the sum of its proper divisors (6395245163).

12232203445 is a wasteful number, since it uses less digits than its factorization.

12232203445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538881 (or 4538874 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12232203445 its reverse (54430223221), we get a palindrome (66662426666).

The spelling of 12232203445 in words is "twelve billion, two hundred thirty-two million, two hundred three thousand, four hundred forty-five".