12011201111211 has 8 divisors (see below), whose sum is σ = 16021045063824. Its totient is φ = 8004412283040.

The previous prime is 12011201111207. The next prime is 12011201111213. The reversal of 12011201111211 is 11211110211021.

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

It is not a de Polignac number, because 12011201111211 - 2² = 12011201111207 is a prime.

It is a super-2 number, since 2×12011201111211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011201111213) 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, 763771936 + ... + 763787661.

It is an arithmetic number, because the mean of its divisors is an integer number (2002630632978).

Almost surely, 2^{12011201111211} is an apocalyptic number.

12011201111211 is a deficient number, since it is larger than the sum of its proper divisors (4009843952613).

12011201111211 is a wasteful number, since it uses less digits than its factorization.

12011201111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527562221.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12011201111211 its reverse (11211110211021), we get a palindrome (23222311322232).

The spelling of 12011201111211 in words is "twelve trillion, eleven billion, two hundred one million, one hundred eleven thousand, two hundred eleven".