12311003123310 has 128 divisors (see below), whose sum is σ = 30873979699200. Its totient is φ = 3138100162560.

The previous prime is 12311003123261. The next prime is 12311003123317. The reversal of 12311003123310 is 1332130011321.

It is a happy number.

It is a super-2 number, since 2×12311003123310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311003123317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80790171 + ... + 80942409.

It is an arithmetic number, because the mean of its divisors is an integer number (241202966400).

Almost surely, 2^{12311003123310} is an apocalyptic number.

12311003123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311003123310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15436989849600).

12311003123310 is an abundant number, since it is smaller than the sum of its proper divisors (18562976575890).

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

12311003123310 is a wasteful number, since it uses less digits than its factorization.

12311003123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153346.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12311003123310 its reverse (1332130011321), we get a palindrome (13643133134631).

The spelling of 12311003123310 in words is "twelve trillion, three hundred eleven billion, three million, one hundred twenty-three thousand, three hundred ten".