12310323020 has 12 divisors (see below), whose sum is σ = 25851678384. Its totient is φ = 4924129200.

The previous prime is 12310323007. The next prime is 12310323029. The reversal of 12310323020 is 2032301321.

It is a self number, because there is not a number n which added to its sum of digits gives 12310323020.

It is not an unprimeable number, because it can be changed into a prime (12310323029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307758056 + ... + 307758095.

It is an arithmetic number, because the mean of its divisors is an integer number (2154306532).

Almost surely, 2^12310323020 is an apocalyptic number.

12310323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310323020 is an abundant number, since it is smaller than the sum of its proper divisors (13541355364).

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

12310323020 is a wasteful number, since it uses less digits than its factorization.

12310323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615516160 (or 615516158 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12310323020 its reverse (2032301321), we get a palindrome (14342624341).

The spelling of 12310323020 in words is "twelve billion, three hundred ten million, three hundred twenty-three thousand, twenty".