102002639491200 has 384 divisors, whose sum is σ = 384346374721920. Its totient is φ = 23291857797120.

The previous prime is 102002639491187. The next prime is 102002639491217. The reversal of 102002639491200 is 2194936200201.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67324392 + ... + 68822808.

It is an arithmetic number, because the mean of its divisors is an integer number (1000902017505).

Almost surely, 2^{102002639491200} is an apocalyptic number.

102002639491200 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 102002639491200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192173187360960).

102002639491200 is an abundant number, since it is smaller than the sum of its proper divisors (282343735230720).

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

102002639491200 is a wasteful number, since it uses less digits than its factorization.

102002639491200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499464 (or 1499447 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 102002639491200 in words is "one hundred two trillion, two billion, six hundred thirty-nine million, four hundred ninety-one thousand, two hundred".