12001211201 has 16 divisors (see below), whose sum is σ = 14192323200. Its totient is φ = 9929447808.

The previous prime is 12001211197. The next prime is 12001211203. The reversal of 12001211201 is 10211210021.

It is not a de Polignac number, because 12001211201 - 2² = 12001211197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001211203) 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, 1456070 + ... + 1464288.

It is an arithmetic number, because the mean of its divisors is an integer number (887020200).

Almost surely, 2^12001211201 is an apocalyptic number.

It is an amenable number.

12001211201 is a deficient number, since it is larger than the sum of its proper divisors (2191111999).

12001211201 is an equidigital number, since it uses as much as digits as its factorization.

12001211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001211201 its reverse (10211210021), we get a palindrome (22212421222).

The spelling of 12001211201 in words is "twelve billion, one million, two hundred eleven thousand, two hundred one".