12002011331311 has 4 divisors (see below), whose sum is σ = 12228464375352. Its totient is φ = 11775558287272.

The previous prime is 12002011331263. The next prime is 12002011331341. The reversal of 12002011331311 is 11313311020021.

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

It is a cyclic number.

It is not a de Polignac number, because 12002011331311 - 2¹³ = 12002011323119 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 (12002011331341) 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, 113226521941 + ... + 113226522046.

It is an arithmetic number, because the mean of its divisors is an integer number (3057116093838).

Almost surely, 2^{12002011331311} is an apocalyptic number.

12002011331311 is a deficient number, since it is larger than the sum of its proper divisors (226453044041).

12002011331311 is an equidigital number, since it uses as much as digits as its factorization.

12002011331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226453044040.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12002011331311 its reverse (11313311020021), we get a palindrome (23315322351332).

The spelling of 12002011331311 in words is "twelve trillion, two billion, eleven million, three hundred thirty-one thousand, three hundred eleven".