330121012031320 has 128 divisors (see below), whose sum is σ = 764741541795840. Its totient is φ = 128160662192640.

The previous prime is 330121012031263. The next prime is 330121012031323. The reversal of 330121012031320 is 23130210121033.

It is a junction number, because it is equal to n+sod(n) for n = 330121012031291 and 330121012031300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330121012031323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2167337965 + ... + 2167490275.

It is an arithmetic number, because the mean of its divisors is an integer number (5974543295280).

Almost surely, 2^{330121012031320} 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 330121012031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382370770897920).

330121012031320 is an abundant number, since it is smaller than the sum of its proper divisors (434620529764520).

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

330121012031320 is a wasteful number, since it uses less digits than its factorization.

330121012031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155985 (or 155981 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 330121012031320 its reverse (23130210121033), we get a palindrome (353251222152353).

The spelling of 330121012031320 in words is "three hundred thirty trillion, one hundred twenty-one billion, twelve million, thirty-one thousand, three hundred twenty".