12457071862 has 16 divisors (see below), whose sum is σ = 18877798080. Its totient is φ = 6164629632.

The previous prime is 12457071769. The next prime is 12457071881. The reversal of 12457071862 is 26817075421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121363 + ... + 199105.

It is an arithmetic number, because the mean of its divisors is an integer number (1179862380).

Almost surely, 2^12457071862 is an apocalyptic number.

12457071862 is a deficient number, since it is larger than the sum of its proper divisors (6420726218).

12457071862 is a wasteful number, since it uses less digits than its factorization.

12457071862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78567.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 12457071862 in words is "twelve billion, four hundred fifty-seven million, seventy-one thousand, eight hundred sixty-two".