12213223101 has 12 divisors (see below), whose sum is σ = 17815990140. Its totient is φ = 8061532800.

The previous prime is 12213223073. The next prime is 12213223111. The reversal of 12213223101 is 10132231221.

12213223101 is a `hidden beast` number, since 12 + 21 + 322 + 310 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5872923225 + 6340299876 = 76635^2 + 79626^2 .

It is not a de Polignac number, because 12213223101 - 2⁵ = 12213223069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213223111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6717036 + ... + 6718853.

It is an arithmetic number, because the mean of its divisors is an integer number (1484665845).

Almost surely, 2^12213223101 is an apocalyptic number.

It is an amenable number.

12213223101 is a deficient number, since it is larger than the sum of its proper divisors (5602767039).

12213223101 is a wasteful number, since it uses less digits than its factorization.

12213223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435996 (or 13435993 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12213223101 its reverse (10132231221), we get a palindrome (22345454322).

The spelling of 12213223101 in words is "twelve billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred one".