12101210213 has 4 divisors (see below), whose sum is σ = 12329534988. Its totient is φ = 11872885440.

The previous prime is 12101210171. The next prime is 12101210221. The reversal of 12101210213 is 31201210121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10936558084 + 1164652129 = 104578^2 + 34127^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101210213 - 2⁸ = 12101209957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101212213) 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, 114162308 + ... + 114162413.

It is an arithmetic number, because the mean of its divisors is an integer number (3082383747).

Almost surely, 2^12101210213 is an apocalyptic number.

It is an amenable number.

12101210213 is a deficient number, since it is larger than the sum of its proper divisors (228324775).

12101210213 is an equidigital number, since it uses as much as digits as its factorization.

12101210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228324774.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12101210213 its reverse (31201210121), we get a palindrome (43302420334).

The spelling of 12101210213 in words is "twelve billion, one hundred one million, two hundred ten thousand, two hundred thirteen".