121434025351303 has 16 divisors (see below), whose sum is σ = 142235375201280. Its totient is φ = 101511734390496.

The previous prime is 121434025351291. The next prime is 121434025351307. The reversal of 121434025351303 is 303153520434121.

It is a happy number.

It is not a de Polignac number, because 121434025351303 - 2⁴⁵ = 86249653262471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121434025351307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652027708 + ... + 652213921.

It is an arithmetic number, because the mean of its divisors is an integer number (8889710950080).

Almost surely, 2^{121434025351303} is an apocalyptic number.

121434025351303 is a deficient number, since it is larger than the sum of its proper divisors (20801349849977).

121434025351303 is a wasteful number, since it uses less digits than its factorization.

121434025351303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304241966.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 121434025351303 its reverse (303153520434121), we get a palindrome (424587545785424).

The spelling of 121434025351303 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, twenty-five million, three hundred fifty-one thousand, three hundred three".