121415132343 has 8 divisors (see below), whose sum is σ = 164104471408. Its totient is φ = 79834607424.

The previous prime is 121415132339. The next prime is 121415132351. The reversal of 121415132343 is 343231514121.

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

It is not a de Polignac number, because 121415132343 - 2² = 121415132339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121415132343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121415132143) 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, 277203280 + ... + 277203717.

It is an arithmetic number, because the mean of its divisors is an integer number (20513058926).

Almost surely, 2^121415132343 is an apocalyptic number.

121415132343 is a deficient number, since it is larger than the sum of its proper divisors (42689339065).

121415132343 is an equidigital number, since it uses as much as digits as its factorization.

121415132343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554407073.

The product of its digits is 8640, while the sum is 30.

Adding to 121415132343 its reverse (343231514121), we get a palindrome (464646646464).

The spelling of 121415132343 in words is "one hundred twenty-one billion, four hundred fifteen million, one hundred thirty-two thousand, three hundred forty-three".