126780071412 has 12 divisors (see below), whose sum is σ = 295820166656. Its totient is φ = 42260023800.

The previous prime is 126780071401. The next prime is 126780071443. The reversal of 126780071412 is 214170087621.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5282502964 + ... + 5282502987.

Almost surely, 2^126780071412 is an apocalyptic number.

126780071412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126780071412 is an abundant number, since it is smaller than the sum of its proper divisors (169040095244).

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

126780071412 is a wasteful number, since it uses less digits than its factorization.

126780071412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565005958 (or 10565005956 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 126780071412 in words is "one hundred twenty-six billion, seven hundred eighty million, seventy-one thousand, four hundred twelve".