12000000012311 has 4 divisors (see below), whose sum is σ = 12010999096824. Its totient is φ = 11989000927800.

The previous prime is 12000000012281. The next prime is 12000000012337. The reversal of 12000000012311 is 11321000000021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000000012311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000000012292 and 12000000012301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000000062311) 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, 5499540620 + ... + 5499542801.

It is an arithmetic number, because the mean of its divisors is an integer number (3002749774206).

Almost surely, 2^{12000000012311} is an apocalyptic number.

12000000012311 is a deficient number, since it is larger than the sum of its proper divisors (10999084513).

12000000012311 is a wasteful number, since it uses less digits than its factorization.

12000000012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10999084512.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12000000012311 its reverse (11321000000021), we get a palindrome (23321000012332).

The spelling of 12000000012311 in words is "twelve trillion, twelve thousand, three hundred eleven".