321030010001232 has 640 divisors, whose sum is σ = 1080970972160000. Its totient is φ = 91180658741760.

The previous prime is 321030010001231. The next prime is 321030010001353. The reversal of 321030010001232 is 232100010030123.

321030010001232 is a `hidden beast` number, since 32 + 1 + 0 + 300 + 100 + 0 + 1 + 232 = 666.

It is a super-2 number, since 2×321030010001232² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321030010001231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28732654398 + ... + 28732665570.

It is an arithmetic number, because the mean of its divisors is an integer number (1689017144000).

Almost surely, 2^{321030010001232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321030010001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540485486080000).

321030010001232 is an abundant number, since it is smaller than the sum of its proper divisors (759940962158768).

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

321030010001232 is a wasteful number, since it uses less digits than its factorization.

321030010001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341 (or 12315 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 321030010001232 its reverse (232100010030123), we get a palindrome (553130020031355).

The spelling of 321030010001232 in words is "three hundred twenty-one trillion, thirty billion, ten million, one thousand, two hundred thirty-two".