12011201101211 has 8 divisors (see below), whose sum is σ = 12961061778000. Its totient is φ = 11065043585952.

The previous prime is 12011201101201. The next prime is 12011201101219. The reversal of 12011201101211 is 11210110211021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011201101211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011201101219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925783640 + ... + 925796613.

It is an arithmetic number, because the mean of its divisors is an integer number (1620132722250).

Almost surely, 2^{12011201101211} is an apocalyptic number.

12011201101211 is a deficient number, since it is larger than the sum of its proper divisors (949860676789).

12011201101211 is a wasteful number, since it uses less digits than its factorization.

12011201101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851580765.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12011201101211 its reverse (11210110211021), we get a palindrome (23221311312232).

The spelling of 12011201101211 in words is "twelve trillion, eleven billion, two hundred one million, one hundred one thousand, two hundred eleven".