12731444770 has 32 divisors (see below), whose sum is σ = 25008912000. Its totient is φ = 4627952640.

The previous prime is 12731444753. The next prime is 12731444797. The reversal of 12731444770 is 7744413721.

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 15 ways as a sum of consecutive naturals, for example, 310594 + ... + 349186.

It is an arithmetic number, because the mean of its divisors is an integer number (781528500).

Almost surely, 2^12731444770 is an apocalyptic number.

12731444770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12731444770 is a deficient number, since it is larger than the sum of its proper divisors (12277467230).

12731444770 is a wasteful number, since it uses less digits than its factorization.

12731444770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41610.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 12731444770 in words is "twelve billion, seven hundred thirty-one million, four hundred forty-four thousand, seven hundred seventy".