102150420000 has 120 divisors (see below), whose sum is σ = 335074004496. Its totient is φ = 27240096000.

The previous prime is 102150419983. The next prime is 102150420011. The reversal of 102150420000 is 24051201.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

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 19 ways as a sum of consecutive naturals, for example, 791254 + ... + 911253.

Almost surely, 2^102150420000 is an apocalyptic number.

102150420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102150420000 is an abundant number, since it is smaller than the sum of its proper divisors (232923584496).

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

102150420000 is an equidigital number, since it uses as much as digits as its factorization.

102150420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702540 (or 1702517 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 102150420000 its reverse (24051201), we get a palindrome (102174471201).

The spelling of 102150420000 in words is "one hundred two billion, one hundred fifty million, four hundred twenty thousand".