12010121323311 has 16 divisors (see below), whose sum is σ = 16448714359904. Its totient is φ = 7789201657344.

The previous prime is 12010121323309. The next prime is 12010121323367. The reversal of 12010121323311 is 11332312101021.

It is not a de Polignac number, because 12010121323311 - 2¹ = 12010121323309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010121323301) 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, 7210006 + ... + 8718051.

It is an arithmetic number, because the mean of its divisors is an integer number (1028044647494).

Almost surely, 2^{12010121323311} is an apocalyptic number.

12010121323311 is a deficient number, since it is larger than the sum of its proper divisors (4438593036593).

12010121323311 is a wasteful number, since it uses less digits than its factorization.

12010121323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15934890.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12010121323311 its reverse (11332312101021), we get a palindrome (23342433424332).

The spelling of 12010121323311 in words is "twelve trillion, ten billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred eleven".