12101031210213 has 16 divisors (see below), whose sum is σ = 19557222158400. Its totient is φ = 7333958309040.

The previous prime is 12101031210197. The next prime is 12101031210239. The reversal of 12101031210213 is 31201213010121.

12101031210213 is a `hidden beast` number, since 1 + 210 + 1 + 0 + 31 + 210 + 213 = 666.

It is not a de Polignac number, because 12101031210213 - 2⁴ = 12101031210197 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 (12101031210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20372106118 + ... + 20372106711.

It is an arithmetic number, because the mean of its divisors is an integer number (1222326384900).

Almost surely, 2^{12101031210213} is an apocalyptic number.

It is an amenable number.

12101031210213 is a deficient number, since it is larger than the sum of its proper divisors (7456190948187).

12101031210213 is a wasteful number, since it uses less digits than its factorization.

12101031210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40744212849 (or 40744212843 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12101031210213 its reverse (31201213010121), we get a palindrome (43302244220334).

The spelling of 12101031210213 in words is "twelve trillion, one hundred one billion, thirty-one million, two hundred ten thousand, two hundred thirteen".