1222051783680 has 3168 divisors, whose sum is σ = 5871212605440. Its totient is φ = 231871610880.

The previous prime is 1222051783669. The next prime is 1222051783703. The reversal of 1222051783680 is 863871502221.

1222051783680 is a `hidden beast` number, since 1 + 2 + 2 + 20 + 517 + 8 + 36 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 287 ways as a sum of consecutive naturals, for example, 15469009881 + ... + 15469009959.

Almost surely, 2^{1222051783680} is an apocalyptic number.

1222051783680 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 1222051783680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2935606302720).

1222051783680 is an abundant number, since it is smaller than the sum of its proper divisors (4649160821760).

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

1222051783680 is a wasteful number, since it uses less digits than its factorization.

1222051783680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 1222051783680 in words is "one trillion, two hundred twenty-two billion, fifty-one million, seven hundred eighty-three thousand, six hundred eighty".