121415667008 has 28 divisors (see below), whose sum is σ = 246060480192. Its totient is φ = 59416176000.

The previous prime is 121415666993. The next prime is 121415667019. The reversal of 121415667008 is 800766514121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20179118 + ... + 20185133.

Almost surely, 2^121415667008 is an apocalyptic number.

It is an amenable number.

121415667008 is an abundant number, since it is smaller than the sum of its proper divisors (124644813184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121415667008 is an equidigital number, since it uses as much as digits as its factorization.

121415667008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40364310 (or 40364300 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 121415667008 in words is "one hundred twenty-one billion, four hundred fifteen million, six hundred sixty-seven thousand, eight".