121212201079 has 2 divisors, whose sum is σ = 121212201080. Its totient is φ = 121212201078.

The previous prime is 121212200983. The next prime is 121212201091. The reversal of 121212201079 is 970102212121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121212201079 - 2⁹ = 121212200567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121212201379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60606100539 + 60606100540.

It is an arithmetic number, because the mean of its divisors is an integer number (60606100540).

Almost surely, 2^121212201079 is an apocalyptic number.

121212201079 is a deficient number, since it is larger than the sum of its proper divisors (1).

121212201079 is an equidigital number, since it uses as much as digits as its factorization.

121212201079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 121212201079 in words is "one hundred twenty-one billion, two hundred twelve million, two hundred one thousand, seventy-nine".