121212112094617 has 2 divisors, whose sum is σ = 121212112094618. Its totient is φ = 121212112094616.

The previous prime is 121212112094599. The next prime is 121212112094639. The reversal of 121212112094617 is 716490211212121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75291214056601 + 45920898038016 = 8677051^2 + 6776496^2 .

It is a cyclic number.

It is not a de Polignac number, because 121212112094617 - 2²³ = 121212103706009 is a prime.

It is a super-2 number, since 2×121212112094617² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121212112094617.

It is not a weakly prime, because it can be changed into another prime (121212112094677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60606056047308 + 60606056047309.

It is an arithmetic number, because the mean of its divisors is an integer number (60606056047309).

Almost surely, 2^{121212112094617} is an apocalyptic number.

It is an amenable number.

121212112094617 is a deficient number, since it is larger than the sum of its proper divisors (1).

121212112094617 is an equidigital number, since it uses as much as digits as its factorization.

121212112094617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 121212112094617 in words is "one hundred twenty-one trillion, two hundred twelve billion, one hundred twelve million, ninety-four thousand, six hundred seventeen".