312212101002111 has 48 divisors (see below), whose sum is σ = 460429125811200. Its totient is φ = 203817297600000.

The previous prime is 312212101002089. The next prime is 312212101002163. The reversal of 312212101002111 is 111200101212213.

It is a happy number.

312212101002111 is a `hidden beast` number, since 312 + 21 + 21 + 0 + 100 + 211 + 1 = 666.

It is not a de Polignac number, because 312212101002111 - 2⁹ = 312212101001599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212101002181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 593240815 + ... + 593766863.

It is an arithmetic number, because the mean of its divisors is an integer number (9592273454400).

Almost surely, 2^{312212101002111} is an apocalyptic number.

312212101002111 is a deficient number, since it is larger than the sum of its proper divisors (148217024809089).

312212101002111 is a wasteful number, since it uses less digits than its factorization.

312212101002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532428 (or 532425 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 312212101002111 its reverse (111200101212213), we get a palindrome (423412202214324).

The spelling of 312212101002111 in words is "three hundred twelve trillion, two hundred twelve billion, one hundred one million, two thousand, one hundred eleven".