12554322000000 has 1792 divisors, whose sum is σ = 48073897146240. Its totient is φ = 2875392000000.

The previous prime is 12554321999939. The next prime is 12554322000007. The reversal of 12554322000000 is 22345521.

It is a super-2 number, since 2×12554322000000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12554322000007) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 129425999952 + ... + 129426000048.

Almost surely, 2^{12554322000000} is an apocalyptic number.

12554322000000 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 12554322000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24036948573120).

12554322000000 is an abundant number, since it is smaller than the sum of its proper divisors (35519575146240).

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

12554322000000 is an frugal number, since it uses more digits than its factorization.

12554322000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 12554322000000 its reverse (22345521), we get a palindrome (12554344345521).

The spelling of 12554322000000 in words is "twelve trillion, five hundred fifty-four billion, three hundred twenty-two million", and thus it is an aban number.