12101210110213 has 12 divisors (see below), whose sum is σ = 14077940141772. Its totient is φ = 10371712565760.

The previous prime is 12101210110189. The next prime is 12101210110267. The reversal of 12101210110213 is 31201101210121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5973243536484 + 6127966573729 = 2444022^2 + 2475473^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12101210110213 is a prime.

It is a super-2 number, since 2×12101210110213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101210110513) 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, 8285020 + ... + 9635557.

It is an arithmetic number, because the mean of its divisors is an integer number (1173161678481).

Almost surely, 2^{12101210110213} is an apocalyptic number.

It is an amenable number.

12101210110213 is a deficient number, since it is larger than the sum of its proper divisors (1976730031559).

12101210110213 is a wasteful number, since it uses less digits than its factorization.

12101210110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17934372 (or 17934365 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12101210110213 its reverse (31201101210121), we get a palindrome (43302311320334).

The spelling of 12101210110213 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred ten thousand, two hundred thirteen".