121203213283 has 2 divisors, whose sum is σ = 121203213284. Its totient is φ = 121203213282.

The previous prime is 121203213221. The next prime is 121203213301. The reversal of 121203213283 is 382312302121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121203213283 is a prime.

It is not a weakly prime, because it can be changed into another prime (121203213683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601606641 + 60601606642.

It is an arithmetic number, because the mean of its divisors is an integer number (60601606642).

Almost surely, 2^121203213283 is an apocalyptic number.

121203213283 is a deficient number, since it is larger than the sum of its proper divisors (1).

121203213283 is an equidigital number, since it uses as much as digits as its factorization.

121203213283 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 28.

The spelling of 121203213283 in words is "one hundred twenty-one billion, two hundred three million, two hundred thirteen thousand, two hundred eighty-three".