321325012134 has 192 divisors, whose sum is σ = 859542368256. Its totient is φ = 84659807232.

The previous prime is 321325012121. The next prime is 321325012153. The reversal of 321325012134 is 431210523123.

321325012134 is a `hidden beast` number, since 3 + 2 + 132 + 501 + 21 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 321325012098 and 321325012107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 109778179 + ... + 109781105.

It is an arithmetic number, because the mean of its divisors is an integer number (4476783168).

Almost surely, 2^321325012134 is an apocalyptic number.

321325012134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 321325012134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429771184128).

321325012134 is an abundant number, since it is smaller than the sum of its proper divisors (538217356122).

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

321325012134 is a wasteful number, since it uses less digits than its factorization.

321325012134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979 (or 3976 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 321325012134 its reverse (431210523123), we get a palindrome (752535535257).

The spelling of 321325012134 in words is "three hundred twenty-one billion, three hundred twenty-five million, twelve thousand, one hundred thirty-four".