421122440514120 has 128 divisors (see below), whose sum is σ = 1264286446617600. Its totient is φ = 112217638726656.

The previous prime is 421122440514107. The next prime is 421122440514121. The reversal of 421122440514120 is 21415044221124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (421122440514121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298007762 + ... + 1298332158.

It is an arithmetic number, because the mean of its divisors is an integer number (9877237864200).

Almost surely, 2^{421122440514120} is an apocalyptic number.

421122440514120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421122440514120 is an abundant number, since it is smaller than the sum of its proper divisors (843164006103480).

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

421122440514120 is a wasteful number, since it uses less digits than its factorization.

421122440514120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332247 (or 332243 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

Adding to 421122440514120 its reverse (21415044221124), we get a palindrome (442537484735244).

The spelling of 421122440514120 in words is "four hundred twenty-one trillion, one hundred twenty-two billion, four hundred forty million, five hundred fourteen thousand, one hundred twenty".