12014421551 has 16 divisors (see below), whose sum is σ = 13188102048. Its totient is φ = 10854528000.

The previous prime is 12014421533. The next prime is 12014421557. The reversal of 12014421551 is 15512441021.

It is a happy number.

12014421551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12014421551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12014421551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12014421557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216931 + ... + 1226763.

It is an arithmetic number, because the mean of its divisors is an integer number (824256378).

Almost surely, 2^12014421551 is an apocalyptic number.

12014421551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12014421551 is a deficient number, since it is larger than the sum of its proper divisors (1173680497).

12014421551 is a wasteful number, since it uses less digits than its factorization.

12014421551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 12014421551 its reverse (15512441021), we get a palindrome (27526862572).

The spelling of 12014421551 in words is "twelve billion, fourteen million, four hundred twenty-one thousand, five hundred fifty-one".