12004012455 has 72 divisors (see below), whose sum is σ = 20442410352. Its totient is φ = 6014486016.

The previous prime is 12004012351. The next prime is 12004012457. The reversal of 12004012455 is 55421040021.

It is not a de Polignac number, because 12004012455 - 2¹⁰ = 12004011431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004012457) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 35620047 + ... + 35620383.

It is an arithmetic number, because the mean of its divisors is an integer number (283922366).

Almost surely, 2^12004012455 is an apocalyptic number.

12004012455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12004012455 is a deficient number, since it is larger than the sum of its proper divisors (8438397897).

12004012455 is an equidigital number, since it uses as much as digits as its factorization.

12004012455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 12004012455 its reverse (55421040021), we get a palindrome (67425052476).

The spelling of 12004012455 in words is "twelve billion, four million, twelve thousand, four hundred fifty-five".