3120400030332 has 48 divisors (see below), whose sum is σ = 7866217562112. Its totient is φ = 957035858880.

The previous prime is 3120400030289. The next prime is 3120400030357. The reversal of 3120400030332 is 2330300040213.

It is a junction number, because it is equal to n+sod(n) for n = 3120400030299 and 3120400030308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32109948 + ... + 32206979.

It is an arithmetic number, because the mean of its divisors is an integer number (163879532544).

Almost surely, 2^{3120400030332} is an apocalyptic number.

It is an amenable number.

3120400030332 is an abundant number, since it is smaller than the sum of its proper divisors (4745817531780).

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

3120400030332 is a wasteful number, since it uses less digits than its factorization.

3120400030332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64317258 (or 64317256 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 3120400030332 its reverse (2330300040213), we get a palindrome (5450700070545).

The spelling of 3120400030332 in words is "three trillion, one hundred twenty billion, four hundred million, thirty thousand, three hundred thirty-two".