12453139999 has 16 divisors (see below), whose sum is σ = 13892014080. Its totient is φ = 11093846400.

The previous prime is 12453139949. The next prime is 12453140003. The reversal of 12453139999 is 99993135421.

It is not a de Polignac number, because 12453139999 - 2⁷ = 12453139871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453139949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359074 + ... + 392224.

It is an arithmetic number, because the mean of its divisors is an integer number (868250880).

Almost surely, 2^12453139999 is an apocalyptic number.

12453139999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12453139999 is a deficient number, since it is larger than the sum of its proper divisors (1438874081).

12453139999 is a wasteful number, since it uses less digits than its factorization.

12453139999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34350.

The product of its digits is 2361960, while the sum is 55.

The spelling of 12453139999 in words is "twelve billion, four hundred fifty-three million, one hundred thirty-nine thousand, nine hundred ninety-nine".