121225520022313 has 96 divisors (see below), whose sum is σ = 157648442572800. Its totient is φ = 92493630867456.

The previous prime is 121225520022289. The next prime is 121225520022323. The reversal of 121225520022313 is 313220025522121.

It is not a de Polignac number, because 121225520022313 - 2⁵ = 121225520022281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121225520022323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 242117095 + ... + 242617267.

It is an arithmetic number, because the mean of its divisors is an integer number (1642171276800).

Almost surely, 2^{121225520022313} is an apocalyptic number.

It is an amenable number.

121225520022313 is a deficient number, since it is larger than the sum of its proper divisors (36422922550487).

121225520022313 is a wasteful number, since it uses less digits than its factorization.

121225520022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500439 (or 500432 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 121225520022313 its reverse (313220025522121), we get a palindrome (434445545544434).

The spelling of 121225520022313 in words is "one hundred twenty-one trillion, two hundred twenty-five billion, five hundred twenty million, twenty-two thousand, three hundred thirteen".