121212200983 has 2 divisors, whose sum is σ = 121212200984. Its totient is φ = 121212200982.

The previous prime is 121212200971. The next prime is 121212201079. The reversal of 121212200983 is 389002212121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121212200983 - 2²⁹ = 120675330071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121216200983) 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, 60606100491 + 60606100492.

It is an arithmetic number, because the mean of its divisors is an integer number (60606100492).

Almost surely, 2^121212200983 is an apocalyptic number.

121212200983 is a deficient number, since it is larger than the sum of its proper divisors (1).

121212200983 is an equidigital number, since it uses as much as digits as its factorization.

121212200983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 121212200983 in words is "one hundred twenty-one billion, two hundred twelve million, two hundred thousand, nine hundred eighty-three".