12011212310311 has 8 divisors (see below), whose sum is σ = 12027850432640. Its totient is φ = 11994575229432.

The previous prime is 12011212310303. The next prime is 12011212310369. The reversal of 12011212310311 is 11301321211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011212310311 - 2³ = 12011212310303 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 (12011212310381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24441526 + ... + 24928108.

It is an arithmetic number, because the mean of its divisors is an integer number (1503481304080).

Almost surely, 2^{12011212310311} is an apocalyptic number.

12011212310311 is a deficient number, since it is larger than the sum of its proper divisors (16638122329).

12011212310311 is an equidigital number, since it uses as much as digits as its factorization.

12011212310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520725.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12011212310311 its reverse (11301321211021), we get a palindrome (23312533521332).

The spelling of 12011212310311 in words is "twelve trillion, eleven billion, two hundred twelve million, three hundred ten thousand, three hundred eleven".