12070861695 has 12 divisors (see below), whose sum is σ = 20922827016. Its totient is φ = 6437792880.

The previous prime is 12070861687. The next prime is 12070861697. The reversal of 12070861695 is 59616807021.

12070861695 is a `hidden beast` number, since 1 + 20 + 7 + 0 + 8 + 616 + 9 + 5 = 666.

It is not a de Polignac number, because 12070861695 - 2³ = 12070861687 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 268241371 = 12070861695 / (1 + 2 + 0 + 7 + 0 + 8 + 6 + 1 + 6 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 12070861695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12070861697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134120641 + ... + 134120730.

It is an arithmetic number, because the mean of its divisors is an integer number (1743568918).

Almost surely, 2^12070861695 is an apocalyptic number.

12070861695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12070861695 is a deficient number, since it is larger than the sum of its proper divisors (8851965321).

12070861695 is a wasteful number, since it uses less digits than its factorization.

12070861695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268241382 (or 268241379 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 12070861695 in words is "twelve billion, seventy million, eight hundred sixty-one thousand, six hundred ninety-five".