12620217018200 has 144 divisors (see below), whose sum is σ = 32288371068240. Its totient is φ = 4583988217600.

The previous prime is 12620217018173. The next prime is 12620217018203. The reversal of 12620217018200 is 281071202621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620217018203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21171434 + ... + 21759366.

It is an arithmetic number, because the mean of its divisors is an integer number (224224799085).

Almost surely, 2^{12620217018200} is an apocalyptic number.

12620217018200 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 12620217018200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16144185534120).

12620217018200 is an abundant number, since it is smaller than the sum of its proper divisors (19668154050040).

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

12620217018200 is a wasteful number, since it uses less digits than its factorization.

12620217018200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588858 (or 588838 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 12620217018200 in words is "twelve trillion, six hundred twenty billion, two hundred seventeen million, eighteen thousand, two hundred".