122232112521 has 8 divisors (see below), whose sum is σ = 162981858144. Its totient is φ = 81485220960.

The previous prime is 122232112447. The next prime is 122232112523. The reversal of 122232112521 is 125211232221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122232112521 - 2⁷ = 122232112393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122232112491 and 122232112500.

It is not an unprimeable number, because it can be changed into a prime (122232112523) 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 7 ways as a sum of consecutive naturals, for example, 611500 + ... + 786381.

It is an arithmetic number, because the mean of its divisors is an integer number (20372732268).

Almost surely, 2^122232112521 is an apocalyptic number.

It is an amenable number.

122232112521 is a deficient number, since it is larger than the sum of its proper divisors (40749745623).

122232112521 is a wasteful number, since it uses less digits than its factorization.

122232112521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427031.

The product of its digits is 960, while the sum is 24.

Adding to 122232112521 its reverse (125211232221), we get a palindrome (247443344742).

The spelling of 122232112521 in words is "one hundred twenty-two billion, two hundred thirty-two million, one hundred twelve thousand, five hundred twenty-one".