121345244402365 has 32 divisors (see below), whose sum is σ = 148408509899520. Its totient is φ = 95231160459264.

The previous prime is 121345244402351. The next prime is 121345244402449. The reversal of 121345244402365 is 563204442543121.

It is a cyclic number.

It is not a de Polignac number, because 121345244402365 - 2⁹ = 121345244401853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2235968451 + ... + 2236022719.

It is an arithmetic number, because the mean of its divisors is an integer number (4637765934360).

Almost surely, 2^{121345244402365} is an apocalyptic number.

It is an amenable number.

121345244402365 is a deficient number, since it is larger than the sum of its proper divisors (27063265497155).

121345244402365 is a wasteful number, since it uses less digits than its factorization.

121345244402365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95061.

The product of its (nonzero) digits is 2764800, while the sum is 46.

Adding to 121345244402365 its reverse (563204442543121), we get a palindrome (684549686945486).

The spelling of 121345244402365 in words is "one hundred twenty-one trillion, three hundred forty-five billion, two hundred forty-four million, four hundred two thousand, three hundred sixty-five".