1222987409280 has 1536 divisors, whose sum is σ = 5617763424000. Its totient is φ = 242771558400.

The previous prime is 1222987409269. The next prime is 1222987409311. The reversal of 1222987409280 is 829047892221.

1222987409280 is a `hidden beast` number, since 1 + 2 + 2 + 298 + 74 + 0 + 9 + 280 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 436623880 + ... + 436626680.

Almost surely, 2^{1222987409280} is an apocalyptic number.

1222987409280 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 1222987409280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808881712000).

1222987409280 is an abundant number, since it is smaller than the sum of its proper divisors (4394776014720).

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

1222987409280 is a wasteful number, since it uses less digits than its factorization.

1222987409280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 1222987409280 in words is "one trillion, two hundred twenty-two billion, nine hundred eighty-seven million, four hundred nine thousand, two hundred eighty".