12312312223100 has 18 divisors (see below), whose sum is σ = 26717717524344. Its totient is φ = 4924924889200.

The previous prime is 12312312223073. The next prime is 12312312223229. The reversal of 12312312223100 is 132221321321.

It is a super-2 number, since 2×12312312223100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61561561016 + ... + 61561561215.

Almost surely, 2^{12312312223100} is an apocalyptic number.

12312312223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312312223100 is an abundant number, since it is smaller than the sum of its proper divisors (14405405301244).

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

12312312223100 is a wasteful number, since it uses less digits than its factorization.

12312312223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123123122245 (or 123123122238 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12312312223100 its reverse (132221321321), we get a palindrome (12444533544421).

The spelling of 12312312223100 in words is "twelve trillion, three hundred twelve billion, three hundred twelve million, two hundred twenty-three thousand, one hundred".