9813200250000 has 280 divisors, whose sum is σ = 36214937692864. Its totient is φ = 2243016000000.

The previous prime is 9813200249971. The next prime is 9813200250019. The reversal of 9813200250000 is 520023189.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (280).

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 9813200250000.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4315410 + ... + 6184590.

Almost surely, 2^{9813200250000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9813200250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18107468846432).

9813200250000 is an abundant number, since it is smaller than the sum of its proper divisors (26401737442864).

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

9813200250000 is an equidigital number, since it uses as much as digits as its factorization.

9813200250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869229 (or 1869198 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 9813200250000 its reverse (520023189), we get a palindrome (9813720273189).

The spelling of 9813200250000 in words is "nine trillion, eight hundred thirteen billion, two hundred million, two hundred fifty thousand".