12009139201 has 32 divisors (see below), whose sum is σ = 13703627520. Its totient is φ = 10461394944.

The previous prime is 12009139199. The next prime is 12009139217. The reversal of 12009139201 is 10293190021.

It is a cyclic number.

It is not a de Polignac number, because 12009139201 - 2¹ = 12009139199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12009139201.

It is not an unprimeable number, because it can be changed into a prime (12009139231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1829341 + ... + 1835893.

It is an arithmetic number, because the mean of its divisors is an integer number (428238360).

Almost surely, 2^12009139201 is an apocalyptic number.

It is an amenable number.

12009139201 is a deficient number, since it is larger than the sum of its proper divisors (1694488319).

12009139201 is a wasteful number, since it uses less digits than its factorization.

12009139201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 12009139201 in words is "twelve billion, nine million, one hundred thirty-nine thousand, two hundred one".