12059695021 has 12 divisors (see below), whose sum is σ = 13386955932. Its totient is φ = 10854800000.

The previous prime is 12059695013. The next prime is 12059695031.

12059695021 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 11093355625 + 966339396 = 105325^2 + 31086^2 .

It is not a de Polignac number, because 12059695021 - 2³ = 12059695013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12059695031) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 481180 + ... + 505621.

It is an arithmetic number, because the mean of its divisors is an integer number (1115579661).

Almost surely, 2^12059695021 is an apocalyptic number.

12059695021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12059695021 is a deficient number, since it is larger than the sum of its proper divisors (1327260911).

12059695021 is a wasteful number, since it uses less digits than its factorization.

12059695021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986924 (or 986913 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 12059695021 in words is "twelve billion, fifty-nine million, six hundred ninety-five thousand, twenty-one".