320404512155412 has 48 divisors (see below), whose sum is σ = 797630271907392. Its totient is φ = 99751741539840.

The previous prime is 320404512155383. The next prime is 320404512155449. The reversal of 320404512155412 is 214551215404023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5994669283 + ... + 5994722730.

It is an arithmetic number, because the mean of its divisors is an integer number (16617297331404).

Almost surely, 2^{320404512155412} is an apocalyptic number.

It is an amenable number.

320404512155412 is an abundant number, since it is smaller than the sum of its proper divisors (477225759751980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320404512155412 is a wasteful number, since it uses less digits than its factorization.

320404512155412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11989392168 (or 11989392166 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 320404512155412 its reverse (214551215404023), we get a palindrome (534955727559435).

The spelling of 320404512155412 in words is "three hundred twenty trillion, four hundred four billion, five hundred twelve million, one hundred fifty-five thousand, four hundred twelve".