122340315520 has 64 divisors (see below), whose sum is σ = 297988197840. Its totient is φ = 48012789760.

The previous prime is 122340315497. The next prime is 122340315541. The reversal of 122340315520 is 25513043221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769446 + ... + 1837285.

Almost surely, 2^122340315520 is an apocalyptic number.

122340315520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122340315520 is an abundant number, since it is smaller than the sum of its proper divisors (175647882320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122340315520 is an equidigital number, since it uses as much as digits as its factorization.

122340315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606803 (or 3606791 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 122340315520 its reverse (25513043221), we get a palindrome (147853358741).

The spelling of 122340315520 in words is "one hundred twenty-two billion, three hundred forty million, three hundred fifteen thousand, five hundred twenty".