1012202022321 has 36 divisors (see below), whose sum is σ = 1701709132032. Its totient is φ = 578083416624.

The previous prime is 1012202022313. The next prime is 1012202022347. The reversal of 1012202022321 is 1232202022101.

1012202022321 is a `hidden beast` number, since 10 + 1 + 220 + 202 + 232 + 1 = 666.

It is not a de Polignac number, because 1012202022321 - 2³ = 1012202022313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012202022294 and 1012202022303.

It is not an unprimeable number, because it can be changed into a prime (1012202027321) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 174420 + ... + 1433466.

It is an arithmetic number, because the mean of its divisors is an integer number (47269698112).

Almost surely, 2^{1012202022321} is an apocalyptic number.

It is an amenable number.

1012202022321 is a deficient number, since it is larger than the sum of its proper divisors (689507109711).

1012202022321 is a wasteful number, since it uses less digits than its factorization.

1012202022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260890 (or 1260880 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1012202022321 its reverse (1232202022101), we get a palindrome (2244404044422).

The spelling of 1012202022321 in words is "one trillion, twelve billion, two hundred two million, twenty-two thousand, three hundred twenty-one".