12312113310 has 48 divisors (see below), whose sum is σ = 36584567136. Its totient is φ = 2814197184.

The previous prime is 12312113251. The next prime is 12312113311. The reversal of 12312113310 is 1331121321.

12312113310 is a `hidden beast` number, since 12 + 312 + 11 + 331 + 0 = 666.

It is a super-3 number, since 3×12312113310³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312113311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9770889 + ... + 9772148.

It is an arithmetic number, because the mean of its divisors is an integer number (762178482).

Almost surely, 2^12312113310 is an apocalyptic number.

12312113310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312113310 is an abundant number, since it is smaller than the sum of its proper divisors (24272453826).

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

12312113310 is a wasteful number, since it uses less digits than its factorization.

12312113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19543057 (or 19543054 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12312113310 its reverse (1331121321), we get a palindrome (13643234631).

The spelling of 12312113310 in words is "twelve billion, three hundred twelve million, one hundred thirteen thousand, three hundred ten".