12177433457 has 16 divisors (see below), whose sum is σ = 14068053120. Its totient is φ = 10324879488.

The previous prime is 12177433439. The next prime is 12177433459. The reversal of 12177433457 is 75433477121.

It is not a de Polignac number, because 12177433457 - 2¹⁴ = 12177417073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12177433459) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 457838 + ... + 483704.

It is an arithmetic number, because the mean of its divisors is an integer number (879253320).

Almost surely, 2^12177433457 is an apocalyptic number.

It is an amenable number.

12177433457 is a deficient number, since it is larger than the sum of its proper divisors (1890619663).

12177433457 is a wasteful number, since it uses less digits than its factorization.

12177433457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26600.

The product of its digits is 493920, while the sum is 44.

The spelling of 12177433457 in words is "twelve billion, one hundred seventy-seven million, four hundred thirty-three thousand, four hundred fifty-seven".