12310203211 has 4 divisors (see below), whose sum is σ = 12312044800. Its totient is φ = 12308361624.

The previous prime is 12310203193. The next prime is 12310203229. The reversal of 12310203211 is 11230201321.

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

It is an interprime number because it is at equal distance from previous prime (12310203193) and next prime (12310203229).

It is a cyclic number.

It is not a de Polignac number, because 12310203211 - 2⁵ = 12310203179 is a prime.

It is a super-2 number, since 2×12310203211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310203281) 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, 910731 + ... + 924148.

It is an arithmetic number, because the mean of its divisors is an integer number (3078011200).

Almost surely, 2^12310203211 is an apocalyptic number.

12310203211 is a deficient number, since it is larger than the sum of its proper divisors (1841589).

12310203211 is an equidigital number, since it uses as much as digits as its factorization.

12310203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841588.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12310203211 its reverse (11230201321), we get a palindrome (23540404532).

The spelling of 12310203211 in words is "twelve billion, three hundred ten million, two hundred three thousand, two hundred eleven".