320012102123 has 24 divisors (see below), whose sum is σ = 399245040720. Its totient is φ = 254956403520.

The previous prime is 320012102099. The next prime is 320012102129. The reversal of 320012102123 is 321201210023.

It is not a de Polignac number, because 320012102123 - 2¹² = 320012098027 is a prime.

It is a super-2 number, since 2×320012102123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320012102129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3193388 + ... + 3292073.

It is an arithmetic number, because the mean of its divisors is an integer number (16635210030).

Almost surely, 2^320012102123 is an apocalyptic number.

320012102123 is a deficient number, since it is larger than the sum of its proper divisors (79232938597).

320012102123 is a wasteful number, since it uses less digits than its factorization.

320012102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485547 (or 6485540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320012102123 its reverse (321201210023), we get a palindrome (641213312146).

The spelling of 320012102123 in words is "three hundred twenty billion, twelve million, one hundred two thousand, one hundred twenty-three".