121305333253504 has 32 divisors (see below), whose sum is σ = 241663787988840. Its totient is φ = 60652460974080.

The previous prime is 121305333253501. The next prime is 121305333253529. The reversal of 121305333253504 is 405352333503121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121305333253501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40607259 + ... + 43492069.

Almost surely, 2^{121305333253504} is an apocalyptic number.

It is an amenable number.

121305333253504 is a deficient number, since it is larger than the sum of its proper divisors (120358454735336).

121305333253504 is an equidigital number, since it uses as much as digits as its factorization.

121305333253504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213338 (or 3213326 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 40.

Adding to 121305333253504 its reverse (405352333503121), we get a palindrome (526657666756625).

The spelling of 121305333253504 in words is "one hundred twenty-one trillion, three hundred five billion, three hundred thirty-three million, two hundred fifty-three thousand, five hundred four".