12211131201 has 16 divisors (see below), whose sum is σ = 16724770368. Its totient is φ = 7919208000.

The previous prime is 12211131151. The next prime is 12211131209. The reversal of 12211131201 is 10213111221.

It is not a de Polignac number, because 12211131201 - 2⁷ = 12211131073 is a prime.

It is a super-2 number, since 2×12211131201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211131209) 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, 1003051 + ... + 1015151.

It is an arithmetic number, because the mean of its divisors is an integer number (1045298148).

Almost surely, 2^12211131201 is an apocalyptic number.

It is an amenable number.

12211131201 is a deficient number, since it is larger than the sum of its proper divisors (4513639167).

12211131201 is a wasteful number, since it uses less digits than its factorization.

12211131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12211131201 its reverse (10213111221), we get a palindrome (22424242422).

The spelling of 12211131201 in words is "twelve billion, two hundred eleven million, one hundred thirty-one thousand, two hundred one".