400301222120 has 32 divisors (see below), whose sum is σ = 907553164320. Its totient is φ = 158898192960.

The previous prime is 400301222099. The next prime is 400301222159. The reversal of 400301222120 is 21222103004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38191442 + ... + 38201921.

It is an arithmetic number, because the mean of its divisors is an integer number (28361036385).

Almost surely, 2^400301222120 is an apocalyptic number.

400301222120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400301222120 is an abundant number, since it is smaller than the sum of its proper divisors (507251942200).

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

400301222120 is a wasteful number, since it uses less digits than its factorization.

400301222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76393505 (or 76393501 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 400301222120 its reverse (21222103004), we get a palindrome (421523325124).

The spelling of 400301222120 in words is "four hundred billion, three hundred one million, two hundred twenty-two thousand, one hundred twenty".