404312111012 has 24 divisors (see below), whose sum is σ = 715960828800. Its totient is φ = 199754824896.

The previous prime is 404312110963. The next prime is 404312111023. The reversal of 404312111012 is 210111213404.

It is a super-2 number, since 2×404312111012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 181289 + ... + 917327.

It is an arithmetic number, because the mean of its divisors is an integer number (29831701200).

Almost surely, 2^404312111012 is an apocalyptic number.

It is an amenable number.

404312111012 is a deficient number, since it is larger than the sum of its proper divisors (311648717788).

404312111012 is a wasteful number, since it uses less digits than its factorization.

404312111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737675 (or 737673 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 404312111012 its reverse (210111213404), we get a palindrome (614423324416).

The spelling of 404312111012 in words is "four hundred four billion, three hundred twelve million, one hundred eleven thousand, twelve".