12428010015 has 32 divisors (see below), whose sum is σ = 20691127296. Its totient is φ = 6364824960.

The previous prime is 12428010013. The next prime is 12428010053. The reversal of 12428010015 is 51001082421.

It is not a de Polignac number, because 12428010015 - 2¹ = 12428010013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428010011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128941 + ... + 203670.

It is an arithmetic number, because the mean of its divisors is an integer number (646597728).

Almost surely, 2^12428010015 is an apocalyptic number.

12428010015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12428010015 is a deficient number, since it is larger than the sum of its proper divisors (8263117281).

12428010015 is a wasteful number, since it uses less digits than its factorization.

12428010015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332719.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 12428010015 its reverse (51001082421), we get a palindrome (63429092436).

The spelling of 12428010015 in words is "twelve billion, four hundred twenty-eight million, ten thousand, fifteen".