12312010022111 has 16 divisors (see below), whose sum is σ = 12388796910336. Its totient is φ = 12235512796416.

The previous prime is 12312010022107. The next prime is 12312010022173. The reversal of 12312010022111 is 11122001021321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12312010022111 - 2² = 12312010022107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12312010022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312010022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148911695 + ... + 148994351.

It is an arithmetic number, because the mean of its divisors is an integer number (774299806896).

Almost surely, 2^{12312010022111} is an apocalyptic number.

12312010022111 is a deficient number, since it is larger than the sum of its proper divisors (76786888225).

12312010022111 is an equidigital number, since it uses as much as digits as its factorization.

12312010022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84398.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12312010022111 its reverse (11122001021321), we get a palindrome (23434011043432).

The spelling of 12312010022111 in words is "twelve trillion, three hundred twelve billion, ten million, twenty-two thousand, one hundred eleven".