121112120005 has 8 divisors (see below), whose sum is σ = 145336668192. Its totient is φ = 96888279888.

The previous prime is 121112119951. The next prime is 121112120021. The reversal of 121112120005 is 500021211121.

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

It is a cyclic number.

It is not a de Polignac number, because 121112120005 - 2¹⁵ = 121112087237 is a prime.

It is a super-2 number, since 2×121112120005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 332742 + ... + 594088.

It is an arithmetic number, because the mean of its divisors is an integer number (18167083524).

Almost surely, 2^121112120005 is an apocalyptic number.

It is an amenable number.

121112120005 is a deficient number, since it is larger than the sum of its proper divisors (24224548187).

121112120005 is an equidigital number, since it uses as much as digits as its factorization.

121112120005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354035.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 121112120005 its reverse (500021211121), we get a palindrome (621133331126).

The spelling of 121112120005 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, five".