12201444415 has 24 divisors (see below), whose sum is σ = 15506322048. Its totient is φ = 9215449920.

The previous prime is 12201444383. The next prime is 12201444433. The reversal of 12201444415 is 51444410221.

It is a happy number.

It is not a de Polignac number, because 12201444415 - 2⁵ = 12201444383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517330 + ... + 540400.

It is an arithmetic number, because the mean of its divisors is an integer number (646096752).

Almost surely, 2^12201444415 is an apocalyptic number.

12201444415 is a deficient number, since it is larger than the sum of its proper divisors (3304877633).

12201444415 is a wasteful number, since it uses less digits than its factorization.

12201444415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23407 (or 23388 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 12201444415 its reverse (51444410221), we get a palindrome (63645854636).

The spelling of 12201444415 in words is "twelve billion, two hundred one million, four hundred forty-four thousand, four hundred fifteen".