12426536205436 has 12 divisors (see below), whose sum is σ = 21754525562560. Its totient is φ = 6210957473280.

The previous prime is 12426536205407. The next prime is 12426536205443. The reversal of 12426536205436 is 63450263562421.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12426536205436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577645260 + ... + 577666771.

Almost surely, 2^{12426536205436} is an apocalyptic number.

It is an amenable number.

12426536205436 is a deficient number, since it is larger than the sum of its proper divisors (9327989357124).

12426536205436 is a wasteful number, since it uses less digits than its factorization.

12426536205436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155314724 (or 1155314722 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

Adding to 12426536205436 its reverse (63450263562421), we get a palindrome (75876799767857).

The spelling of 12426536205436 in words is "twelve trillion, four hundred twenty-six billion, five hundred thirty-six million, two hundred five thousand, four hundred thirty-six".