1220072352384 has 128 divisors (see below), whose sum is σ = 3428707233600. Its totient is φ = 383329787904.

The previous prime is 1220072352377. The next prime is 1220072352397. The reversal of 1220072352384 is 4832532700221.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 1012884 + ... + 1861740.

Almost surely, 2^{1220072352384} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220072352384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714353616800).

1220072352384 is an abundant number, since it is smaller than the sum of its proper divisors (2208634881216).

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

1220072352384 is a wasteful number, since it uses less digits than its factorization.

1220072352384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849090 (or 849078 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 1220072352384 in words is "one trillion, two hundred twenty billion, seventy-two million, three hundred fifty-two thousand, three hundred eighty-four".