12707785630 has 16 divisors (see below), whose sum is σ = 22880420640. Its totient is φ = 5081690592.

The previous prime is 12707785621. The next prime is 12707785663. The reversal of 12707785630 is 3658770721.

It is a super-2 number, since 2×12707785630² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140085 + ... + 212224.

It is an arithmetic number, because the mean of its divisors is an integer number (1430026290).

Almost surely, 2^12707785630 is an apocalyptic number.

12707785630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12707785630 is a deficient number, since it is larger than the sum of its proper divisors (10172635010).

12707785630 is a wasteful number, since it uses less digits than its factorization.

12707785630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355923.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 12707785630 in words is "twelve billion, seven hundred seven million, seven hundred eighty-five thousand, six hundred thirty".