102012311030123 has 8 divisors (see below), whose sum is σ = 110661305397888. Its totient is φ = 93477872879424.

The previous prime is 102012311030117. The next prime is 102012311030167. The reversal of 102012311030123 is 321030113210201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102012311030123 - 2⁴ = 102012311030107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102012311030095 and 102012311030104.

It is not an unprimeable number, because it can be changed into a prime (102012311000123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28639052411 + ... + 28639055972.

It is an arithmetic number, because the mean of its divisors is an integer number (13832663174736).

Almost surely, 2^{102012311030123} is an apocalyptic number.

102012311030123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102012311030123 is a deficient number, since it is larger than the sum of its proper divisors (8648994367765).

102012311030123 is a wasteful number, since it uses less digits than its factorization.

102012311030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57278108533.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102012311030123 its reverse (321030113210201), we get a palindrome (423042424240324).

The spelling of 102012311030123 in words is "one hundred two trillion, twelve billion, three hundred eleven million, thirty thousand, one hundred twenty-three".