1012002021322 has 24 divisors (see below), whose sum is σ = 1613949565356. Its totient is φ = 475822891008.

The previous prime is 1012002021319. The next prime is 1012002021343. The reversal of 1012002021322 is 2231202002101.

It is a happy number.

1012002021322 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 6 ways, for example, as 907239105081 + 104762916241 = 952491^2 + 323671^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012002021296 and 1012002021305.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92833 + ... + 1425700.

Almost surely, 2^{1012002021322} is an apocalyptic number.

1012002021322 is a deficient number, since it is larger than the sum of its proper divisors (601947544034).

1012002021322 is a wasteful number, since it uses less digits than its factorization.

1012002021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519722 (or 1519705 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012002021322 its reverse (2231202002101), we get a palindrome (3243204023423).

The spelling of 1012002021322 in words is "one trillion, twelve billion, two million, twenty-one thousand, three hundred twenty-two".