400312333224121 has 8 divisors (see below), whose sum is σ = 412568842679840. Its totient is φ = 388189774691712.

The previous prime is 400312333224043. The next prime is 400312333224163. The reversal of 400312333224121 is 121422333213004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400312333224121 - 2⁹ = 400312333223609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400312333284121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33487724760 + ... + 33487736713.

It is an arithmetic number, because the mean of its divisors is an integer number (51571105334980).

Almost surely, 2^{400312333224121} is an apocalyptic number.

It is an amenable number.

400312333224121 is a deficient number, since it is larger than the sum of its proper divisors (12256509455719).

400312333224121 is a wasteful number, since it uses less digits than its factorization.

400312333224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66975461655.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 400312333224121 its reverse (121422333213004), we get a palindrome (521734666437125).

The spelling of 400312333224121 in words is "four hundred trillion, three hundred twelve billion, three hundred thirty-three million, two hundred twenty-four thousand, one hundred twenty-one".