12101112211213 has 16 divisors (see below), whose sum is σ = 12899032842240. Its totient is φ = 11325959543536.

The previous prime is 12101112211169. The next prime is 12101112211219. The reversal of 12101112211213 is 31211221110121.

It is a de Polignac number, because none of the positive numbers 2^k-12101112211213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101112211219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121956 + ... + 5826562.

It is an arithmetic number, because the mean of its divisors is an integer number (806189552640).

Almost surely, 2^{12101112211213} is an apocalyptic number.

It is an amenable number.

12101112211213 is a deficient number, since it is larger than the sum of its proper divisors (797920631027).

12101112211213 is a wasteful number, since it uses less digits than its factorization.

12101112211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708816.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 12101112211213 its reverse (31211221110121), we get a palindrome (43312333321334).

The spelling of 12101112211213 in words is "twelve trillion, one hundred one billion, one hundred twelve million, two hundred eleven thousand, two hundred thirteen".