126836266812 has 24 divisors (see below), whose sum is σ = 295962178512. Its totient is φ = 42277200000.

The previous prime is 126836266783. The next prime is 126836266847. The reversal of 126836266812 is 218662638621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173062 + ... + 532562.

It is an arithmetic number, because the mean of its divisors is an integer number (12331757438).

Almost surely, 2^126836266812 is an apocalyptic number.

126836266812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126836266812 is an abundant number, since it is smaller than the sum of its proper divisors (169125911700).

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

126836266812 is a wasteful number, since it uses less digits than its factorization.

126836266812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388909 (or 388907 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The spelling of 126836266812 in words is "one hundred twenty-six billion, eight hundred thirty-six million, two hundred sixty-six thousand, eight hundred twelve".