102123001002 has 16 divisors (see below), whose sum is σ = 222813820512. Its totient is φ = 30946363920.

The previous prime is 102123000979. The next prime is 102123001003. The reversal of 102123001002 is 200100321201.

It is not an unprimeable number, because it can be changed into a prime (102123001003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 773659033 + ... + 773659164.

It is an arithmetic number, because the mean of its divisors is an integer number (13925863782).

Almost surely, 2^102123001002 is an apocalyptic number.

102123001002 is an abundant number, since it is smaller than the sum of its proper divisors (120690819510).

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

102123001002 is a wasteful number, since it uses less digits than its factorization.

102123001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547318213.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102123001002 its reverse (200100321201), we get a palindrome (302223322203).

The spelling of 102123001002 in words is "one hundred two billion, one hundred twenty-three million, one thousand, two".