12124101010221 has 48 divisors (see below), whose sum is σ = 18060784822080. Its totient is φ = 7832705287680.

The previous prime is 12124101010193. The next prime is 12124101010223. The reversal of 12124101010221 is 12201010142121.

12124101010221 is a `hidden beast` number, since 1 + 2 + 12 + 410 + 10 + 10 + 221 = 666.

It is not a de Polignac number, because 12124101010221 - 2¹⁵ = 12124100977453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12124101010194 and 12124101010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124101010223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242762965 + ... + 242812901.

It is an arithmetic number, because the mean of its divisors is an integer number (376266350460).

Almost surely, 2^{12124101010221} is an apocalyptic number.

It is an amenable number.

12124101010221 is a deficient number, since it is larger than the sum of its proper divisors (5936683811859).

12124101010221 is a wasteful number, since it uses less digits than its factorization.

12124101010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54906 (or 54903 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12124101010221 its reverse (12201010142121), we get a palindrome (24325111152342).

The spelling of 12124101010221 in words is "twelve trillion, one hundred twenty-four billion, one hundred one million, ten thousand, two hundred twenty-one".