121100012120009 has 8 divisors (see below), whose sum is σ = 130415568928512. Its totient is φ = 111784479777360.

The previous prime is 121100012119997. The next prime is 121100012120023. The reversal of 121100012120009 is 900021210001121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121100012120009 - 2¹² = 121100012115913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100012120029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4898504 + ... + 16315494.

It is an arithmetic number, because the mean of its divisors is an integer number (16301946116064).

Almost surely, 2^{121100012120009} is an apocalyptic number.

It is an amenable number.

121100012120009 is a deficient number, since it is larger than the sum of its proper divisors (9315556808503).

121100012120009 is a wasteful number, since it uses less digits than its factorization.

121100012120009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232927.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 121100012120009 in words is "one hundred twenty-one trillion, one hundred billion, twelve million, one hundred twenty thousand, nine".