12423405212244 has 96 divisors (see below), whose sum is σ = 34688093610240. Its totient is φ = 3822402939264.

The previous prime is 12423405212227. The next prime is 12423405212357. The reversal of 12423405212244 is 44221250432421.

12423405212244 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 3 + 405 + 2 + 1 + 2 + 244 = 666.

It is a super-2 number, since 2×12423405212244² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12423405212199 and 12423405212208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30682657 + ... + 31084919.

It is an arithmetic number, because the mean of its divisors is an integer number (361334308440).

Almost surely, 2^{12423405212244} is an apocalyptic number.

It is an amenable number.

12423405212244 is an abundant number, since it is smaller than the sum of its proper divisors (22264688397996).

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

12423405212244 is a wasteful number, since it uses less digits than its factorization.

12423405212244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424286 (or 424278 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 12423405212244 its reverse (44221250432421), we get a palindrome (56644655644665).

The spelling of 12423405212244 in words is "twelve trillion, four hundred twenty-three billion, four hundred five million, two hundred twelve thousand, two hundred forty-four".