121212301043 has 2 divisors, whose sum is σ = 121212301044. Its totient is φ = 121212301042.

The previous prime is 121212301033. The next prime is 121212301163. The reversal of 121212301043 is 340103212121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121212301043 - 2²² = 121208106739 is a prime.

It is not a weakly prime, because it can be changed into another prime (121212301033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60606150521 + 60606150522.

It is an arithmetic number, because the mean of its divisors is an integer number (60606150522).

Almost surely, 2^121212301043 is an apocalyptic number.

121212301043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121212301043 is an equidigital number, since it uses as much as digits as its factorization.

121212301043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121212301043 its reverse (340103212121), we get a palindrome (461315513164).

The spelling of 121212301043 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred one thousand, forty-three".