12212341101 has 18 divisors (see below), whose sum is σ = 18129709962. Its totient is φ = 7921510560.

The previous prime is 12212341087. The next prime is 12212341111. The reversal of 12212341101 is 10114321221.

12212341101 is a `hidden beast` number, since 1 + 221 + 2 + 341 + 101 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 10660769001 + 1551572100 = 103251^2 + 39390^2 .

It is not a de Polignac number, because 12212341101 - 2¹⁵ = 12212308333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212341111) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 483270 + ... + 507911.

It is an arithmetic number, because the mean of its divisors is an integer number (1007206109).

Almost surely, 2^12212341101 is an apocalyptic number.

It is an amenable number.

12212341101 is a deficient number, since it is larger than the sum of its proper divisors (5917368861).

12212341101 is an equidigital number, since it uses as much as digits as its factorization.

12212341101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991261 (or 991221 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12212341101 its reverse (10114321221), we get a palindrome (22326662322).

The spelling of 12212341101 in words is "twelve billion, two hundred twelve million, three hundred forty-one thousand, one hundred one".