12111212010201 has 8 divisors (see below), whose sum is σ = 16148603659584. Its totient is φ = 8073980850480.

The previous prime is 12111212010133. The next prime is 12111212010251. The reversal of 12111212010201 is 10201021211121.

It is a happy number.

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

It is not a de Polignac number, because 12111212010201 - 2²³ = 12111203621593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111212010251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39946221 + ... + 40248266.

It is an arithmetic number, because the mean of its divisors is an integer number (2018575457448).

Almost surely, 2^{12111212010201} is an apocalyptic number.

It is an amenable number.

12111212010201 is a deficient number, since it is larger than the sum of its proper divisors (4037391649383).

12111212010201 is an equidigital number, since it uses as much as digits as its factorization.

12111212010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80244831.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12111212010201 its reverse (10201021211121), we get a palindrome (22312233221322).

The spelling of 12111212010201 in words is "twelve trillion, one hundred eleven billion, two hundred twelve million, ten thousand, two hundred one".