312200030122111 has 4 divisors (see below), whose sum is σ = 312203032236072. Its totient is φ = 312197028008152.

The previous prime is 312200030122091. The next prime is 312200030122121. The reversal of 312200030122111 is 111221030002213.

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

It is a cyclic number.

It is not a de Polignac number, because 312200030122111 - 2²⁹ = 312199493251199 is a prime.

It is a super-3 number, since 3×312200030122111³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312200030122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500900985 + ... + 1501108978.

It is an arithmetic number, because the mean of its divisors is an integer number (78050758059018).

Almost surely, 2^{312200030122111} is an apocalyptic number.

312200030122111 is a deficient number, since it is larger than the sum of its proper divisors (3002113961).

312200030122111 is a wasteful number, since it uses less digits than its factorization.

312200030122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002113960.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312200030122111 its reverse (111221030002213), we get a palindrome (423421060124324).

The spelling of 312200030122111 in words is "three hundred twelve trillion, two hundred billion, thirty million, one hundred twenty-two thousand, one hundred eleven".