12038673520 has 40 divisors (see below), whose sum is σ = 27994551984. Its totient is φ = 4814671872.

The previous prime is 12038673419. The next prime is 12038673529. The reversal of 12038673520 is 2537683021.

12038673520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12038673520² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12038673520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12038673529) 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 7 ways as a sum of consecutive naturals, for example, 814032 + ... + 828688.

Almost surely, 2^12038673520 is an apocalyptic number.

12038673520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12038673520 is an abundant number, since it is smaller than the sum of its proper divisors (15955878464).

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

12038673520 is a wasteful number, since it uses less digits than its factorization.

12038673520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24937 (or 24931 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 12038673520 in words is "twelve billion, thirty-eight million, six hundred seventy-three thousand, five hundred twenty".