1212624042127 has 2 divisors, whose sum is σ = 1212624042128. Its totient is φ = 1212624042126.

The previous prime is 1212624042121. The next prime is 1212624042137. The reversal of 1212624042127 is 7212404262121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212624042127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212624042092 and 1212624042101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212624042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606312021063 + 606312021064.

It is an arithmetic number, because the mean of its divisors is an integer number (606312021064).

Almost surely, 2^{1212624042127} is an apocalyptic number.

1212624042127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212624042127 is an equidigital number, since it uses as much as digits as its factorization.

1212624042127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 1212624042127 in words is "one trillion, two hundred twelve billion, six hundred twenty-four million, forty-two thousand, one hundred twenty-seven".