102421234240 has 112 divisors (see below), whose sum is σ = 262811727360. Its totient is φ = 37793986560.

The previous prime is 102421234219. The next prime is 102421234277. The reversal of 102421234240 is 42432124201.

102421234240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7776781 + ... + 7789939.

It is an arithmetic number, because the mean of its divisors is an integer number (2346533280).

Almost surely, 2^102421234240 is an apocalyptic number.

102421234240 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 102421234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131405863680).

102421234240 is an abundant number, since it is smaller than the sum of its proper divisors (160390493120).

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

102421234240 is a wasteful number, since it uses less digits than its factorization.

102421234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060 (or 15050 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 102421234240 its reverse (42432124201), we get a palindrome (144853358441).

The spelling of 102421234240 in words is "one hundred two billion, four hundred twenty-one million, two hundred thirty-four thousand, two hundred forty".