1012032113321 has 4 divisors (see below), whose sum is σ = 1036715823444. Its totient is φ = 987348403200.

The previous prime is 1012032113303. The next prime is 1012032113333. The reversal of 1012032113321 is 1233112302101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353644302400 + 658387810921 = 594680^2 + 811411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012032113321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012032113293 and 1012032113302.

It is not an unprimeable number, because it can be changed into a prime (1012032113621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12341855000 + ... + 12341855081.

It is an arithmetic number, because the mean of its divisors is an integer number (259178955861).

Almost surely, 2^{1012032113321} is an apocalyptic number.

It is an amenable number.

1012032113321 is a deficient number, since it is larger than the sum of its proper divisors (24683710123).

1012032113321 is an equidigital number, since it uses as much as digits as its factorization.

1012032113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24683710122.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012032113321 its reverse (1233112302101), we get a palindrome (2245144415422).

The spelling of 1012032113321 in words is "one trillion, twelve billion, thirty-two million, one hundred thirteen thousand, three hundred twenty-one".