212112311231003 has 2 divisors, whose sum is σ = 212112311231004. Its totient is φ = 212112311231002.

The previous prime is 212112311230979. The next prime is 212112311231033. The reversal of 212112311231003 is 300132113211212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212112311231003 - 2⁸ = 212112311230747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212112311231003.

It is not a weakly prime, because it can be changed into another prime (212112311231033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056155615501 + 106056155615502.

It is an arithmetic number, because the mean of its divisors is an integer number (106056155615502).

Almost surely, 2^{212112311231003} is an apocalyptic number.

212112311231003 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112311231003 is an equidigital number, since it uses as much as digits as its factorization.

212112311231003 is an odious number, because the sum of its binary digits is odd.

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

Adding to 212112311231003 its reverse (300132113211212), we get a palindrome (512244424442215).

The spelling of 212112311231003 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty-one thousand, three".