1012330302021 has 24 divisors (see below), whose sum is σ = 1553560652280. Its totient is φ = 634003687296.

The previous prime is 1012330302019. The next prime is 1012330302023. The reversal of 1012330302021 is 1202030332101.

1012330302021 is a `hidden beast` number, since 1 + 0 + 12 + 330 + 302 + 0 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (1012330302019) and next prime (1012330302023).

It can be written as a sum of positive squares in 4 ways, for example, as 369584964225 + 642745337796 = 607935^2 + 801714^2 .

It is not a de Polignac number, because 1012330302021 - 2¹ = 1012330302019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012330301985 and 1012330302003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012330302023) 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, 52404670 + ... + 52423983.

It is an arithmetic number, because the mean of its divisors is an integer number (64731693845).

Almost surely, 2^{1012330302021} is an apocalyptic number.

It is an amenable number.

1012330302021 is a deficient number, since it is larger than the sum of its proper divisors (541230350259).

1012330302021 is a wasteful number, since it uses less digits than its factorization.

1012330302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104828725 (or 104828722 counting only the distinct ones).

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

Adding to 1012330302021 its reverse (1202030332101), we get a palindrome (2214360634122).

It can be divided in two parts, 1012 and 330302021, that added together give a palindrome (330303033).

The spelling of 1012330302021 in words is "one trillion, twelve billion, three hundred thirty million, three hundred two thousand, twenty-one".