12927099140 has 24 divisors (see below), whose sum is σ = 27154151640. Its totient is φ = 5169459968.

The previous prime is 12927099121. The next prime is 12927099173. The reversal of 12927099140 is 4199072921.

It can be written as a sum of positive squares in 4 ways, for example, as 3057868804 + 9869230336 = 55298^2 + 99344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12927099091 and 12927099100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7655 + ... + 160974.

It is an arithmetic number, because the mean of its divisors is an integer number (1131422985).

Almost surely, 2^12927099140 is an apocalyptic number.

12927099140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12927099140 is an abundant number, since it is smaller than the sum of its proper divisors (14227052500).

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

12927099140 is a wasteful number, since it uses less digits than its factorization.

12927099140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172471 (or 172469 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 12927099140 in words is "twelve billion, nine hundred twenty-seven million, ninety-nine thousand, one hundred forty".