121033342305 has 24 divisors (see below), whose sum is σ = 209926335528. Its totient is φ = 64509513216.

The previous prime is 121033342303. The next prime is 121033342321. The reversal of 121033342305 is 503243330121.

121033342305 is a `hidden beast` number, since 1 + 2 + 10 + 3 + 3 + 342 + 305 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11853983376 + 109179358929 = 108876^2 + 330423^2 .

It is not a de Polignac number, because 121033342305 - 2¹ = 121033342303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121033342303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796062 + ... + 935831.

It is an arithmetic number, because the mean of its divisors is an integer number (8746930647).

Almost surely, 2^121033342305 is an apocalyptic number.

121033342305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121033342305 is a deficient number, since it is larger than the sum of its proper divisors (88892993223).

121033342305 is a wasteful number, since it uses less digits than its factorization.

121033342305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733457 (or 1733454 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 121033342305 its reverse (503243330121), we get a palindrome (624276672426).

The spelling of 121033342305 in words is "one hundred twenty-one billion, thirty-three million, three hundred forty-two thousand, three hundred five".