12111204404 has 24 divisors (see below), whose sum is σ = 22892725128. Its totient is φ = 5573191680.

The previous prime is 12111204383. The next prime is 12111204421. The reversal of 12111204404 is 40440211121.

It can be written as a sum of positive squares in 4 ways, for example, as 873084304 + 11238120100 = 29548^2 + 106010^2 .

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, 328037 + ... + 363084.

It is an arithmetic number, because the mean of its divisors is an integer number (953863547).

Almost surely, 2^12111204404 is an apocalyptic number.

It is an amenable number.

12111204404 is a deficient number, since it is larger than the sum of its proper divisors (10781520724).

12111204404 is a wasteful number, since it uses less digits than its factorization.

12111204404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691475 (or 691473 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12111204404 its reverse (40440211121), we get a palindrome (52551415525).

The spelling of 12111204404 in words is "twelve billion, one hundred eleven million, two hundred four thousand, four hundred four".