12010221131121 has 12 divisors (see below), whose sum is σ = 17642132735760. Its totient is φ = 7871105373720.

The previous prime is 12010221131087. The next prime is 12010221131149. The reversal of 12010221131121 is 12113112201021.

It is a happy number.

12010221131121 is a `hidden beast` number, since 1 + 20 + 102 + 211 + 311 + 21 = 666.

It is not a de Polignac number, because 12010221131121 - 2¹⁹ = 12010220606833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010221131094 and 12010221131103.

It is not an unprimeable number, because it can be changed into a prime (12010221111121) 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, 11309058915 + ... + 11309059976.

It is an arithmetic number, because the mean of its divisors is an integer number (1470177727980).

Almost surely, 2^{12010221131121} is an apocalyptic number.

It is an amenable number.

12010221131121 is a deficient number, since it is larger than the sum of its proper divisors (5631911604639).

12010221131121 is a wasteful number, since it uses less digits than its factorization.

12010221131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22618118956 (or 22618118953 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12010221131121 its reverse (12113112201021), we get a palindrome (24123333332142).

The spelling of 12010221131121 in words is "twelve trillion, ten billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty-one".