12127747630 has 32 divisors (see below), whose sum is σ = 21905178624. Its totient is φ = 4834413216.

The previous prime is 12127747591. The next prime is 12127747663. The reversal of 12127747630 is 3674772121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4512147 + ... + 4514833.

It is an arithmetic number, because the mean of its divisors is an integer number (684536832).

Almost surely, 2^12127747630 is an apocalyptic number.

12127747630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12127747630 is a deficient number, since it is larger than the sum of its proper divisors (9777430994).

12127747630 is a wasteful number, since it uses less digits than its factorization.

12127747630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 12127747630 in words is "twelve billion, one hundred twenty-seven million, seven hundred forty-seven thousand, six hundred thirty".