12212403003423 has 32 divisors (see below), whose sum is σ = 20724185011200. Its totient is φ = 6962619562848.

The previous prime is 12212403003419. The next prime is 12212403003481. The reversal of 12212403003423 is 32430030421221.

12212403003423 is a `hidden beast` number, since 1 + 2 + 2 + 12 + 4 + 0 + 300 + 342 + 3 = 666.

It is not a de Polignac number, because 12212403003423 - 2² = 12212403003419 is a prime.

It is a super-2 number, since 2×12212403003423² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212403003413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73511436 + ... + 73677377.

It is an arithmetic number, because the mean of its divisors is an integer number (647630781600).

Almost surely, 2^{12212403003423} is an apocalyptic number.

12212403003423 is a deficient number, since it is larger than the sum of its proper divisors (8511782007777).

12212403003423 is a wasteful number, since it uses less digits than its factorization.

12212403003423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147189268 (or 147189262 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12212403003423 its reverse (32430030421221), we get a palindrome (44642433424644).

The spelling of 12212403003423 in words is "twelve trillion, two hundred twelve billion, four hundred three million, three thousand, four hundred twenty-three".