121415443297 has 8 divisors (see below), whose sum is σ = 123018665000. Its totient is φ = 119819395584.

The previous prime is 121415443229. The next prime is 121415443307. The reversal of 121415443297 is 792344514121.

It can be written as a sum of positive squares in 4 ways, for example, as 6510714721 + 114904728576 = 80689^2 + 338976^2 .

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 121415443297 - 2³⁵ = 87055704929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121415443697) by changing a digit.

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, 1759422 + ... + 1827127.

It is an arithmetic number, because the mean of its divisors is an integer number (15377333125).

Almost surely, 2^121415443297 is an apocalyptic number.

It is an amenable number.

121415443297 is a deficient number, since it is larger than the sum of its proper divisors (1603221703).

121415443297 is an equidigital number, since it uses as much as digits as its factorization.

121415443297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586995.

The product of its digits is 241920, while the sum is 43.

The spelling of 121415443297 in words is "one hundred twenty-one billion, four hundred fifteen million, four hundred forty-three thousand, two hundred ninety-seven".