1222503536736 has 384 divisors, whose sum is σ = 3730009046400. Its totient is φ = 394051350528.

The previous prime is 1222503536687. The next prime is 1222503536789. The reversal of 1222503536736 is 6376353052221.

1222503536736 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 503 + 53 + 67 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1222503536691 and 1222503536700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 447966220 + ... + 447968948.

It is an arithmetic number, because the mean of its divisors is an integer number (9713565225).

Almost surely, 2^{1222503536736} is an apocalyptic number.

1222503536736 is a gapful number since it is divisible by the number (16) 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 1222503536736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865004523200).

1222503536736 is an abundant number, since it is smaller than the sum of its proper divisors (2507505509664).

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

1222503536736 is an equidigital number, since it uses as much as digits as its factorization.

1222503536736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2944 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

Adding to 1222503536736 its reverse (6376353052221), we get a palindrome (7598856588957).

The spelling of 1222503536736 in words is "one trillion, two hundred twenty-two billion, five hundred three million, five hundred thirty-six thousand, seven hundred thirty-six".