12173034400 has 144 divisors (see below), whose sum is σ = 30335183424. Its totient is φ = 4769095680.

The previous prime is 12173034371. The next prime is 12173034421. The reversal of 12173034400 is 443037121.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7992039 + ... + 7993561.

It is an arithmetic number, because the mean of its divisors is an integer number (210660996).

Almost surely, 2^12173034400 is an apocalyptic number.

12173034400 is a gapful number since it is divisible by the number (10) 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 12173034400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15167591712).

12173034400 is an abundant number, since it is smaller than the sum of its proper divisors (18162149024).

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

12173034400 is a wasteful number, since it uses less digits than its factorization.

12173034400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 12173034400 in words is "twelve billion, one hundred seventy-three million, thirty-four thousand, four hundred".