12223121012300 has 72 divisors (see below), whose sum is σ = 28967365761600. Its totient is φ = 4439870395200.

The previous prime is 12223121012251. The next prime is 12223121012357. The reversal of 12223121012300 is 321012132221.

It is a super-3 number, since 3×12223121012300³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5127950 + ... + 7123349.

Almost surely, 2^{12223121012300} is an apocalyptic number.

12223121012300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223121012300 is an abundant number, since it is smaller than the sum of its proper divisors (16744244749300).

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

12223121012300 is a wasteful number, since it uses less digits than its factorization.

12223121012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252231 (or 12252224 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12223121012300 its reverse (321012132221), we get a palindrome (12544133144521).

The spelling of 12223121012300 in words is "twelve trillion, two hundred twenty-three billion, one hundred twenty-one million, twelve thousand, three hundred".