12142652005209 has 16 divisors (see below), whose sum is σ = 17910800400384. Its totient is φ = 7255532566800.

The previous prime is 12142652005181. The next prime is 12142652005249. The reversal of 12142652005209 is 90250025624121.

It is not a de Polignac number, because 12142652005209 - 2¹¹ = 12142652003161 is a prime.

It is a super-2 number, since 2×12142652005209² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12142652005249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2591259289 + ... + 2591263974.

It is an arithmetic number, because the mean of its divisors is an integer number (1119425025024).

Almost surely, 2^{12142652005209} is an apocalyptic number.

It is an amenable number.

12142652005209 is a deficient number, since it is larger than the sum of its proper divisors (5768148395175).

12142652005209 is a wasteful number, since it uses less digits than its factorization.

12142652005209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182523348.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 12142652005209 in words is "twelve trillion, one hundred forty-two billion, six hundred fifty-two million, five thousand, two hundred nine".