1204865920008 has 256 divisors, whose sum is σ = 3503409696000. Its totient is φ = 383288371200.

The previous prime is 1204865920003. The next prime is 1204865920031. The reversal of 1204865920008 is 8000295684021.

1204865920008 is a `hidden beast` number, since 12 + 0 + 48 + 6 + 592 + 0 + 0 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1204865920003) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 184763788 + ... + 184770308.

It is an arithmetic number, because the mean of its divisors is an integer number (13685194125).

Almost surely, 2^{1204865920008} is an apocalyptic number.

1204865920008 is a gapful number since it is divisible by the number (18) 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 1204865920008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751704848000).

1204865920008 is an abundant number, since it is smaller than the sum of its proper divisors (2298543775992).

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

1204865920008 is a wasteful number, since it uses less digits than its factorization.

1204865920008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013 (or 7003 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1204865920008 in words is "one trillion, two hundred four billion, eight hundred sixty-five million, nine hundred twenty thousand, eight".