1212112010047 has 2 divisors, whose sum is σ = 1212112010048. Its totient is φ = 1212112010046.

The previous prime is 1212112010033. The next prime is 1212112010099. The reversal of 1212112010047 is 7400102112121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212112010047 - 2²³ = 1212103621439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212112010147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606056005023 + 606056005024.

It is an arithmetic number, because the mean of its divisors is an integer number (606056005024).

Almost surely, 2^{1212112010047} is an apocalyptic number.

1212112010047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212112010047 is an equidigital number, since it uses as much as digits as its factorization.

1212112010047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 1212112010047 its reverse (7400102112121), we get a palindrome (8612214122168).

The spelling of 1212112010047 in words is "one trillion, two hundred twelve billion, one hundred twelve million, ten thousand, forty-seven".