1222063718400 has 1152 divisors, whose sum is σ = 5194226506560. Its totient is φ = 279010344960.

The previous prime is 1222063718383. The next prime is 1222063718419. The reversal of 1222063718400 is 48173602221.

It is a happy number.

1222063718400 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 0 + 637 + 18 + 4 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1393458762 + ... + 1393459638.

Almost surely, 2^{1222063718400} is an apocalyptic number.

1222063718400 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 1222063718400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597113253280).

1222063718400 is an abundant number, since it is smaller than the sum of its proper divisors (3972162788160).

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

1222063718400 is an frugal number, since it uses more digits than its factorization.

1222063718400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

It can be divided in two parts, 122206 and 3718400, that added together give a triangular number (3840606 = T₂₇₇₁).

The spelling of 1222063718400 in words is "one trillion, two hundred twenty-two billion, sixty-three million, seven hundred eighteen thousand, four hundred".