1211412204979 has 2 divisors, whose sum is σ = 1211412204980. Its totient is φ = 1211412204978.

The previous prime is 1211412204967. The next prime is 1211412205037. The reversal of 1211412204979 is 9794022141121.

It is a weak prime.

It is an emirp because it is prime and its reverse (9794022141121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1211412204979 - 2¹⁵ = 1211412172211 is a prime.

It is a super-3 number, since 3×1211412204979³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1211412204479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605706102489 + 605706102490.

It is an arithmetic number, because the mean of its divisors is an integer number (605706102490).

Almost surely, 2^{1211412204979} is an apocalyptic number.

1211412204979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211412204979 is an equidigital number, since it uses as much as digits as its factorization.

1211412204979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 1211412204979 in words is "one trillion, two hundred eleven billion, four hundred twelve million, two hundred four thousand, nine hundred seventy-nine".