12010020011311 has 16 divisors (see below), whose sum is σ = 13735674247680. Its totient is φ = 10286850912480.

The previous prime is 12010020011267. The next prime is 12010020011333. The reversal of 12010020011311 is 11311002001021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12010020011311 - 2¹⁷ = 12010019880239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010020011291 and 12010020011300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010020011111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262910805 + ... + 262956481.

It is an arithmetic number, because the mean of its divisors is an integer number (858479640480).

Almost surely, 2^{12010020011311} is an apocalyptic number.

12010020011311 is a deficient number, since it is larger than the sum of its proper divisors (1725654236369).

12010020011311 is a wasteful number, since it uses less digits than its factorization.

12010020011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72054.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12010020011311 its reverse (11311002001021), we get a palindrome (23321022012332).

The spelling of 12010020011311 in words is "twelve trillion, ten billion, twenty million, eleven thousand, three hundred eleven".