122201312320 has 28 divisors (see below), whose sum is σ = 290991875724. Its totient is φ = 48880524800.

The previous prime is 122201312243. The next prime is 122201312341. The reversal of 122201312320 is 23213102221.

It can be written as a sum of positive squares in 2 ways, for example, as 34590048256 + 87611264064 = 185984^2 + 295992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190939231 + ... + 190939870.

Almost surely, 2^122201312320 is an apocalyptic number.

122201312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201312320 is an abundant number, since it is smaller than the sum of its proper divisors (168790563404).

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

122201312320 is an equidigital number, since it uses as much as digits as its factorization.

122201312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381879118 (or 381879108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122201312320 its reverse (23213102221), we get a palindrome (145414414541).

The spelling of 122201312320 in words is "one hundred twenty-two billion, two hundred one million, three hundred twelve thousand, three hundred twenty".