1212488800417 has 2 divisors, whose sum is σ = 1212488800418. Its totient is φ = 1212488800416.

The previous prime is 1212488800379. The next prime is 1212488800427. The reversal of 1212488800417 is 7140088842121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207627364241 + 4861436176 = 1098921^2 + 69724^2 .

It is an emirp because it is prime and its reverse (7140088842121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212488800417 is a prime.

It is a super-2 number, since 2×1212488800417² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212488800427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606244400208 + 606244400209.

It is an arithmetic number, because the mean of its divisors is an integer number (606244400209).

Almost surely, 2^{1212488800417} is an apocalyptic number.

It is an amenable number.

1212488800417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212488800417 is an equidigital number, since it uses as much as digits as its factorization.

1212488800417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 229376, while the sum is 46.

The spelling of 1212488800417 in words is "one trillion, two hundred twelve billion, four hundred eighty-eight million, eight hundred thousand, four hundred seventeen".