400332123112 has 8 divisors (see below), whose sum is σ = 750622730850. Its totient is φ = 200166061552.

The previous prime is 400332123073. The next prime is 400332123137. The reversal of 400332123112 is 211321233004.

It can be written as a sum of positive squares in only one way, i.e., 338018983236 + 62313139876 = 581394^2 + 249626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 25020757687 + ... + 25020757702.

Almost surely, 2^400332123112 is an apocalyptic number.

It is an amenable number.

400332123112 is a deficient number, since it is larger than the sum of its proper divisors (350290607738).

400332123112 is a wasteful number, since it uses less digits than its factorization.

400332123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50041515395 (or 50041515391 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 400332123112 its reverse (211321233004), we get a palindrome (611653356116).

The spelling of 400332123112 in words is "four hundred billion, three hundred thirty-two million, one hundred twenty-three thousand, one hundred twelve".