1222515504000 has 3072 divisors, whose sum is σ = 5711822438400. Its totient is φ = 258660864000.

The previous prime is 1222515503999. The next prime is 1222515504163. The reversal of 1222515504000 is 4055152221.

1222515504000 is a `hidden beast` number, since 1 + 2 + 2 + 251 + 5 + 5 + 0 + 400 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 383 ways as a sum of consecutive naturals, for example, 39435983985 + ... + 39435984015.

It is an arithmetic number, because the mean of its divisors is an integer number (1859317200).

Almost surely, 2^{1222515504000} is an apocalyptic number.

1222515504000 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 1222515504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2855911219200).

1222515504000 is an abundant number, since it is smaller than the sum of its proper divisors (4489306934400).

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

1222515504000 is an frugal number, since it uses more digits than its factorization.

1222515504000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 1222515504000 in words is "one trillion, two hundred twenty-two billion, five hundred fifteen million, five hundred four thousand".