12010011210121 has 4 divisors (see below), whose sum is σ = 12010061272644. Its totient is φ = 12009961147600.

The previous prime is 12010011210091. The next prime is 12010011210133. The reversal of 12010011210121 is 12101211001021.

It is a happy number.

12010011210121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8505855590400 + 3504155619721 = 2916480^2 + 1871939^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010011210121 - 2⁵ = 12010011210089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010011210161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24669670 + ... + 25151791.

It is an arithmetic number, because the mean of its divisors is an integer number (3002515318161).

Almost surely, 2^{12010011210121} is an apocalyptic number.

It is an amenable number.

12010011210121 is a deficient number, since it is larger than the sum of its proper divisors (50062523).

12010011210121 is an equidigital number, since it uses as much as digits as its factorization.

12010011210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50062522.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12010011210121 its reverse (12101211001021), we get a palindrome (24111222211142).

The spelling of 12010011210121 in words is "twelve trillion, ten billion, eleven million, two hundred ten thousand, one hundred twenty-one".