400300234122 has 16 divisors (see below), whose sum is σ = 802204884000. Its totient is φ = 133166008752.

The previous prime is 400300234073. The next prime is 400300234127. The reversal of 400300234122 is 221432003004.

It is a super-2 number, since 2×400300234122² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400300234127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66847413 + ... + 66853400.

It is an arithmetic number, because the mean of its divisors is an integer number (50137805250).

Almost surely, 2^400300234122 is an apocalyptic number.

400300234122 is an abundant number, since it is smaller than the sum of its proper divisors (401904649878).

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

400300234122 is a wasteful number, since it uses less digits than its factorization.

400300234122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133701317.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 400300234122 its reverse (221432003004), we get a palindrome (621732237126).

The spelling of 400300234122 in words is "four hundred billion, three hundred million, two hundred thirty-four thousand, one hundred twenty-two".