1225350322560 has 3584 divisors, whose sum is σ = 5993487360000. Its totient is φ = 237027409920.

The previous prime is 1225350322507. The next prime is 1225350322589. The reversal of 1225350322560 is 652230535221.

1225350322560 is a `hidden beast` number, since 1 + 2 + 25 + 3 + 50 + 3 + 22 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 39527429745 + ... + 39527429775.

It is an arithmetic number, because the mean of its divisors is an integer number (1672290000).

Almost surely, 2^{1225350322560} is an apocalyptic number.

1225350322560 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 1225350322560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996743680000).

1225350322560 is an abundant number, since it is smaller than the sum of its proper divisors (4768137037440).

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

1225350322560 is an equidigital number, since it uses as much as digits as its factorization.

1225350322560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1225350322560 its reverse (652230535221), we get a palindrome (1877580857781).

The spelling of 1225350322560 in words is "one trillion, two hundred twenty-five billion, three hundred fifty million, three hundred twenty-two thousand, five hundred sixty".