121296085163 has 16 divisors (see below), whose sum is σ = 132663871872. Its totient is φ = 109985400000.

The previous prime is 121296085153. The next prime is 121296085187. The reversal of 121296085163 is 361580692121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121296085163 - 2⁴ = 121296085147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121296085103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9894788 + ... + 9907038.

It is an arithmetic number, because the mean of its divisors is an integer number (8291491992).

Almost surely, 2^121296085163 is an apocalyptic number.

121296085163 is a deficient number, since it is larger than the sum of its proper divisors (11367786709).

121296085163 is a wasteful number, since it uses less digits than its factorization.

121296085163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14506.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 121296085163 in words is "one hundred twenty-one billion, two hundred ninety-six million, eighty-five thousand, one hundred sixty-three".