12302312311211 has 4 divisors (see below), whose sum is σ = 13248644027472. Its totient is φ = 11355980594952.

The previous prime is 12302312311199. The next prime is 12302312311259. The reversal of 12302312311211 is 11211321320321.

It is a happy number.

12302312311211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-12302312311211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302312311811) 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, 473165858111 + ... + 473165858136.

It is an arithmetic number, because the mean of its divisors is an integer number (3312161006868).

Almost surely, 2^{12302312311211} is an apocalyptic number.

12302312311211 is a deficient number, since it is larger than the sum of its proper divisors (946331716261).

12302312311211 is an equidigital number, since it uses as much as digits as its factorization.

12302312311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946331716260.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12302312311211 its reverse (11211321320321), we get a palindrome (23513633631532).

The spelling of 12302312311211 in words is "twelve trillion, three hundred two billion, three hundred twelve million, three hundred eleven thousand, two hundred eleven".