12012001232201 has 4 divisors (see below), whose sum is σ = 12012307301904. Its totient is φ = 12011695162500.

The previous prime is 12012001232191. The next prime is 12012001232221. The reversal of 12012001232201 is 10223210021021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12012001232201 - 2²² = 12011997037897 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 12012001232201.

It is not an unprimeable number, because it can be changed into a prime (12012001232221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152975975 + ... + 153054476.

It is an arithmetic number, because the mean of its divisors is an integer number (3003076825476).

Almost surely, 2^{12012001232201} is an apocalyptic number.

It is an amenable number.

12012001232201 is a deficient number, since it is larger than the sum of its proper divisors (306069703).

12012001232201 is an equidigital number, since it uses as much as digits as its factorization.

12012001232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306069702.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12012001232201 its reverse (10223210021021), we get a palindrome (22235211253222).

The spelling of 12012001232201 in words is "twelve trillion, twelve billion, one million, two hundred thirty-two thousand, two hundred one".