12210131223011 has 4 divisors (see below), whose sum is σ = 12217757790024. Its totient is φ = 12202504656000.

The previous prime is 12210131223007. The next prime is 12210131223067. The reversal of 12210131223011 is 11032213101221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210131223011 - 2² = 12210131223007 is a prime.

It is a super-2 number, since 2×12210131223011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210131223611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3813281105 + ... + 3813284306.

It is an arithmetic number, because the mean of its divisors is an integer number (3054439447506).

Almost surely, 2^{12210131223011} is an apocalyptic number.

12210131223011 is a deficient number, since it is larger than the sum of its proper divisors (7626567013).

12210131223011 is an equidigital number, since it uses as much as digits as its factorization.

12210131223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626567012.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12210131223011 its reverse (11032213101221), we get a palindrome (23242344324232).

The spelling of 12210131223011 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, two hundred twenty-three thousand, eleven".