1329801887232 has 480 divisors, whose sum is σ = 4875987916800. Its totient is φ = 339400212480.

The previous prime is 1329801887231. The next prime is 1329801887251. The reversal of 1329801887232 is 2327881089231.

1329801887232 is a `hidden beast` number, since 1 + 329 + 8 + 0 + 1 + 8 + 87 + 232 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329801887231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12948019 + ... + 13050317.

It is an arithmetic number, because the mean of its divisors is an integer number (10158308160).

Almost surely, 2^{1329801887232} is an apocalyptic number.

1329801887232 is a gapful number since it is divisible by the number (12) 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 1329801887232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2437993958400).

1329801887232 is an abundant number, since it is smaller than the sum of its proper divisors (3546186029568).

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

1329801887232 is a wasteful number, since it uses less digits than its factorization.

1329801887232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102374 (or 102355 counting only the distinct ones).

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

The spelling of 1329801887232 in words is "one trillion, three hundred twenty-nine billion, eight hundred one million, eight hundred eighty-seven thousand, two hundred thirty-two".