102001213030123 has 8 divisors (see below), whose sum is σ = 113641583569920. Its totient is φ = 90755431322280.

The previous prime is 102001213030103. The next prime is 102001213030127. The reversal of 102001213030123 is 321030312100201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102001213030123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102001213030123.

It is not an unprimeable number, because it can be changed into a prime (102001213030127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98647207443 + ... + 98647208476.

It is an arithmetic number, because the mean of its divisors is an integer number (14205197946240).

Almost surely, 2^{102001213030123} is an apocalyptic number.

102001213030123 is a deficient number, since it is larger than the sum of its proper divisors (11640370539797).

102001213030123 is a wasteful number, since it uses less digits than its factorization.

102001213030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197294415977.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102001213030123 its reverse (321030312100201), we get a palindrome (423031525130324).

The spelling of 102001213030123 in words is "one hundred two trillion, one billion, two hundred thirteen million, thirty thousand, one hundred twenty-three".