405112333012 has 24 divisors (see below), whose sum is σ = 750692880000. Its totient is φ = 190630035840.

The previous prime is 405112333009. The next prime is 405112333061. The reversal of 405112333012 is 210333211504.

It is a happy number.

It is a congruent number.

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, 1073239 + ... + 1400737.

It is an arithmetic number, because the mean of its divisors is an integer number (31278870000).

Almost surely, 2^405112333012 is an apocalyptic number.

It is an amenable number.

405112333012 is a deficient number, since it is larger than the sum of its proper divisors (345580546988).

405112333012 is a wasteful number, since it uses less digits than its factorization.

405112333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345711 (or 345709 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 405112333012 its reverse (210333211504), we get a palindrome (615445544516).

The spelling of 405112333012 in words is "four hundred five billion, one hundred twelve million, three hundred thirty-three thousand, twelve".