12223100100312 has 24 divisors (see below), whose sum is σ = 33104229438540. Its totient is φ = 4074366700080.

The previous prime is 12223100100293. The next prime is 12223100100317. The reversal of 12223100100312 is 21300100132221.

12223100100312 is a `hidden beast` number, since 1 + 22 + 231 + 0 + 0 + 100 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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 (12223100100317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84882639514 + ... + 84882639657.

Almost surely, 2^{12223100100312} is an apocalyptic number.

12223100100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12223100100312 is an abundant number, since it is smaller than the sum of its proper divisors (20881129338228).

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

12223100100312 is a wasteful number, since it uses less digits than its factorization.

12223100100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169765279183 (or 169765279176 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12223100100312 its reverse (21300100132221), we get a palindrome (33523200232533).

The spelling of 12223100100312 in words is "twelve trillion, two hundred twenty-three billion, one hundred million, one hundred thousand, three hundred twelve".