122520352513 has 8 divisors (see below), whose sum is σ = 132818805056. Its totient is φ = 112346730000.

The previous prime is 122520352511. The next prime is 122520352529. The reversal of 122520352513 is 315253025221.

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

It is a cyclic number.

It is not a de Polignac number, because 122520352513 - 2¹ = 122520352511 is a prime.

It is a super-2 number, since 2×122520352513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122520352511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31205463 + ... + 31209388.

It is an arithmetic number, because the mean of its divisors is an integer number (16602350632).

Almost surely, 2^122520352513 is an apocalyptic number.

122520352513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122520352513 is a deficient number, since it is larger than the sum of its proper divisors (10298452543).

122520352513 is a wasteful number, since it uses less digits than its factorization.

122520352513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62415015.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 122520352513 its reverse (315253025221), we get a palindrome (437773377734).

The spelling of 122520352513 in words is "one hundred twenty-two billion, five hundred twenty million, three hundred fifty-two thousand, five hundred thirteen".