12400101320 has 32 divisors (see below), whose sum is σ = 29113283520. Its totient is φ = 4744386240.

The previous prime is 12400101293. The next prime is 12400101379. The reversal of 12400101320 is 2310100421.

It is a junction number, because it is equal to n+sod(n) for n = 12400101295 and 12400101304.

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, 6738266 + ... + 6740105.

It is an arithmetic number, because the mean of its divisors is an integer number (909790110).

Almost surely, 2^12400101320 is an apocalyptic number.

12400101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400101320 is an abundant number, since it is smaller than the sum of its proper divisors (16713182200).

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

12400101320 is a wasteful number, since it uses less digits than its factorization.

12400101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478405 (or 13478401 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12400101320 its reverse (2310100421), we get a palindrome (14710201741).

It can be divided in two parts, 12400101 and 320, that added together give a palindrome (12400421).

The spelling of 12400101320 in words is "twelve billion, four hundred million, one hundred one thousand, three hundred twenty".