12203042446 has 16 divisors (see below), whose sum is σ = 21484894176. Its totient is φ = 5088527136.

The previous prime is 12203042431. The next prime is 12203042507. The reversal of 12203042446 is 64424030221.

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, 11778481 + ... + 11779516.

It is an arithmetic number, because the mean of its divisors is an integer number (1342805886).

Almost surely, 2^12203042446 is an apocalyptic number.

12203042446 is a deficient number, since it is larger than the sum of its proper divisors (9281851730).

12203042446 is a wasteful number, since it uses less digits than its factorization.

12203042446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23558043.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12203042446 its reverse (64424030221), we get a palindrome (76627072667).

The spelling of 12203042446 in words is "twelve billion, two hundred three million, forty-two thousand, four hundred forty-six".