12426220533236 has 24 divisors (see below), whose sum is σ = 22070840188320. Its totient is φ = 6120269461152.

The previous prime is 12426220533227. The next prime is 12426220533271. The reversal of 12426220533236 is 63233502262421.

It is a junction number, because it is equal to n+sod(n) for n = 12426220533193 and 12426220533202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16071866 + ... + 16827278.

It is an arithmetic number, because the mean of its divisors is an integer number (919618341180).

Almost surely, 2^{12426220533236} is an apocalyptic number.

It is an amenable number.

12426220533236 is a deficient number, since it is larger than the sum of its proper divisors (9644619655084).

12426220533236 is a wasteful number, since it uses less digits than its factorization.

12426220533236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816863 (or 816861 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 12426220533236 its reverse (63233502262421), we get a palindrome (75659722795657).

The spelling of 12426220533236 in words is "twelve trillion, four hundred twenty-six billion, two hundred twenty million, five hundred thirty-three thousand, two hundred thirty-six".