1030123021320 has 96 divisors (see below), whose sum is σ = 3348572474520. Its totient is φ = 274644280320.

The previous prime is 1030123021309. The next prime is 1030123021321. The reversal of 1030123021320 is 231203210301.

1030123021320 is a `hidden beast` number, since 1 + 0 + 30 + 12 + 302 + 1 + 320 = 666.

1030123021320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 967771932516 + 62351088804 = 983754^2 + 249702^2 .

It is a super-2 number, since 2×1030123021320² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1030123021293 and 1030123021302.

It is not an unprimeable number, because it can be changed into a prime (1030123021321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1522612 + ... + 2092508.

Almost surely, 2^{1030123021320} is an apocalyptic number.

1030123021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030123021320 is an abundant number, since it is smaller than the sum of its proper divisors (2318449453200).

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

1030123021320 is a wasteful number, since it uses less digits than its factorization.

1030123021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574935 (or 574928 counting only the distinct ones).

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

Adding to 1030123021320 its reverse (231203210301), we get a palindrome (1261326231621).

The spelling of 1030123021320 in words is "one trillion, thirty billion, one hundred twenty-three million, twenty-one thousand, three hundred twenty".