10312112420 has 24 divisors (see below), whose sum is σ = 21960445248. Its totient is φ = 4066748000.

The previous prime is 10312112413. The next prime is 10312112431. The reversal of 10312112420 is 2421121301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3629606 + ... + 3632445.

It is an arithmetic number, because the mean of its divisors is an integer number (915018552).

Almost surely, 2^10312112420 is an apocalyptic number.

10312112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312112420 is an abundant number, since it is smaller than the sum of its proper divisors (11648332828).

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

10312112420 is a wasteful number, since it uses less digits than its factorization.

10312112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262131 (or 7262129 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10312112420 its reverse (2421121301), we get a palindrome (12733233721).

The spelling of 10312112420 in words is "ten billion, three hundred twelve million, one hundred twelve thousand, four hundred twenty".