121303223435 has 8 divisors (see below), whose sum is σ = 145717584336. Its totient is φ = 96940101280.

The previous prime is 121303223407. The next prime is 121303223453. The reversal of 121303223435 is 534322303121.

It is a happy number.

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

It is not a de Polignac number, because 121303223435 - 2¹² = 121303219339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121303223398 and 121303223407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12804476 + ... + 12813945.

It is an arithmetic number, because the mean of its divisors is an integer number (18214698042).

Almost surely, 2^121303223435 is an apocalyptic number.

121303223435 is a deficient number, since it is larger than the sum of its proper divisors (24414360901).

121303223435 is an equidigital number, since it uses as much as digits as its factorization.

121303223435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25619373.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 121303223435 its reverse (534322303121), we get a palindrome (655625526556).

The spelling of 121303223435 in words is "one hundred twenty-one billion, three hundred three million, two hundred twenty-three thousand, four hundred thirty-five".