12553412520000 has 560 divisors, whose sum is σ = 46132200620352. Its totient is φ = 2985815040000.

The previous prime is 12553412519959. The next prime is 12553412520001. The reversal of 12553412520000 is 2521435521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 12553412520000.

It is not an unprimeable number, because it can be changed into a prime (12553412520001) 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 79 ways as a sum of consecutive naturals, for example, 69870282 + ... + 70049718.

Almost surely, 2^{12553412520000} is an apocalyptic number.

12553412520000 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 12553412520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23066100310176).

12553412520000 is an abundant number, since it is smaller than the sum of its proper divisors (33578788100352).

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

12553412520000 is a wasteful number, since it uses less digits than its factorization.

12553412520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179536 (or 179511 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 12553412520000 its reverse (2521435521), we get a palindrome (12555933955521).

The spelling of 12553412520000 in words is "twelve trillion, five hundred fifty-three billion, four hundred twelve million, five hundred twenty thousand".