12201212044 has 24 divisors (see below), whose sum is σ = 24862850208. Its totient is φ = 5130428160.

The previous prime is 12201212039. The next prime is 12201212059. The reversal of 12201212044 is 44021210221.

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, 4109437 + ... + 4112404.

It is an arithmetic number, because the mean of its divisors is an integer number (1035952092).

Almost surely, 2^12201212044 is an apocalyptic number.

12201212044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12201212044 is an abundant number, since it is smaller than the sum of its proper divisors (12661638164).

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

12201212044 is a wasteful number, since it uses less digits than its factorization.

12201212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8221905 (or 8221903 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12201212044 its reverse (44021210221), we get a palindrome (56222422265).

The spelling of 12201212044 in words is "twelve billion, two hundred one million, two hundred twelve thousand, forty-four".