12499519835712 has 448 divisors, whose sum is σ = 41252662370304. Its totient is φ = 3252399022080.

The previous prime is 12499519835689. The next prime is 12499519835729. The reversal of 12499519835712 is 21753891599421.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×12499519835712² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 395952153 + ... + 395983719.

It is an arithmetic number, because the mean of its divisors is an integer number (92081835648).

Almost surely, 2^{12499519835712} is an apocalyptic number.

12499519835712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12499519835712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20626331185152).

12499519835712 is an abundant number, since it is smaller than the sum of its proper divisors (28753142534592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12499519835712 is a wasteful number, since it uses less digits than its factorization.

12499519835712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31906 (or 31896 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 66.

The spelling of 12499519835712 in words is "twelve trillion, four hundred ninety-nine billion, five hundred nineteen million, eight hundred thirty-five thousand, seven hundred twelve".