12001404412 has 24 divisors (see below), whose sum is σ = 21084277760. Its totient is φ = 5977359360.

The previous prime is 12001404407. The next prime is 12001404419. The reversal of 12001404412 is 21440410021.

It is a self number, because there is not a number n which added to its sum of digits gives 12001404412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001404419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720612 + ... + 1727572.

Almost surely, 2^12001404412 is an apocalyptic number.

It is an amenable number.

12001404412 is a deficient number, since it is larger than the sum of its proper divisors (9082873348).

12001404412 is a wasteful number, since it uses less digits than its factorization.

12001404412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581 (or 8579 counting only the distinct ones).

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

Adding to 12001404412 its reverse (21440410021), we get a palindrome (33441814433).

The spelling of 12001404412 in words is "twelve billion, one million, four hundred four thousand, four hundred twelve".