122120201011220 has 48 divisors (see below), whose sum is σ = 265300207804800. Its totient is φ = 47162846290560.

The previous prime is 122120201011187. The next prime is 122120201011247. The reversal of 122120201011220 is 22110102021221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32210411 + ... + 35801549.

It is an arithmetic number, because the mean of its divisors is an integer number (5527087662600).

Almost surely, 2^{122120201011220} is an apocalyptic number.

122120201011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120201011220 is an abundant number, since it is smaller than the sum of its proper divisors (143180006793580).

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

122120201011220 is a wasteful number, since it uses less digits than its factorization.

122120201011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649808 (or 3649806 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122120201011220 its reverse (22110102021221), we get a palindrome (144230303032441).

The spelling of 122120201011220 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred one million, eleven thousand, two hundred twenty".