10001312222320 has 160 divisors (see below), whose sum is σ = 24771390243840. Its totient is φ = 3747084042240.

The previous prime is 10001312222287. The next prime is 10001312222383. The reversal of 10001312222320 is 2322221310001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27720685 + ... + 28079155.

It is an arithmetic number, because the mean of its divisors is an integer number (154821189024).

Almost surely, 2^{10001312222320} is an apocalyptic number.

10001312222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10001312222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12385695121920).

10001312222320 is an abundant number, since it is smaller than the sum of its proper divisors (14770078021520).

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

10001312222320 is a wasteful number, since it uses less digits than its factorization.

10001312222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358823 (or 358817 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10001312222320 its reverse (2322221310001), we get a palindrome (12323533532321).

The spelling of 10001312222320 in words is "ten trillion, one billion, three hundred twelve million, two hundred twenty-two thousand, three hundred twenty".