404112131012 has 6 divisors (see below), whose sum is σ = 707196229278. Its totient is φ = 202056065504.

The previous prime is 404112130963. The next prime is 404112131057. The reversal of 404112131012 is 210131211404.

It can be written as a sum of positive squares in only one way, i.e., 397018448836 + 7093682176 = 630094^2 + 84224^2 .

It is a super-2 number, since 2×404112131012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50514016373 + ... + 50514016380.

It is an arithmetic number, because the mean of its divisors is an integer number (117866038213).

Almost surely, 2^404112131012 is an apocalyptic number.

It is an amenable number.

404112131012 is a deficient number, since it is larger than the sum of its proper divisors (303084098266).

404112131012 is a wasteful number, since it uses less digits than its factorization.

404112131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101028032757 (or 101028032755 counting only the distinct ones).

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

Adding to 404112131012 its reverse (210131211404), we get a palindrome (614243342416).

The spelling of 404112131012 in words is "four hundred four billion, one hundred twelve million, one hundred thirty-one thousand, twelve".