1215232704000 has 1920 divisors, whose sum is σ = 5457143577600. Its totient is φ = 253609574400.

The previous prime is 1215232703999. The next prime is 1215232704011. The reversal of 1215232704000 is 4072325121.

1215232704000 is a `hidden beast` number, since 1 + 21 + 5 + 232 + 7 + 0 + 400 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2221631727 + ... + 2221632273.

It is an arithmetic number, because the mean of its divisors is an integer number (2842262280).

Almost surely, 2^{1215232704000} is an apocalyptic number.

1215232704000 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 1215232704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2728571788800).

1215232704000 is an abundant number, since it is smaller than the sum of its proper divisors (4241910873600).

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

1215232704000 is a wasteful number, since it uses less digits than its factorization.

1215232704000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 1215232704000 in words is "one trillion, two hundred fifteen billion, two hundred thirty-two million, seven hundred four thousand".