12143996969 has 8 divisors (see below), whose sum is σ = 13083542472. Its totient is φ = 11205221760.

The previous prime is 12143996957. The next prime is 12143997023. The reversal of 12143996969 is 96969934121.

12143996969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 924950569 + 11219046400 = 30413^2 + 105920^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12143996969 - 2²⁸ = 11875561513 is a prime.

It is a super-2 number, since 2×12143996969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12143996929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159614 + ... + 223079.

It is an arithmetic number, because the mean of its divisors is an integer number (1635442809).

Almost surely, 2^12143996969 is an apocalyptic number.

It is an amenable number.

12143996969 is a deficient number, since it is larger than the sum of its proper divisors (939545503).

12143996969 is a wasteful number, since it uses less digits than its factorization.

12143996969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385147.

The product of its digits is 5668704, while the sum is 59.

The spelling of 12143996969 in words is "twelve billion, one hundred forty-three million, nine hundred ninety-six thousand, nine hundred sixty-nine".