1012303355021 has 16 divisors (see below), whose sum is σ = 1159754187648. Its totient is φ = 865562112000.

The previous prime is 1012303355003. The next prime is 1012303355051. The reversal of 1012303355021 is 1205533032101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012303355021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012303355051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26171546 + ... + 26210196.

It is an arithmetic number, because the mean of its divisors is an integer number (72484636728).

Almost surely, 2^{1012303355021} is an apocalyptic number.

It is an amenable number.

1012303355021 is a deficient number, since it is larger than the sum of its proper divisors (147450832627).

1012303355021 is an equidigital number, since it uses as much as digits as its factorization.

1012303355021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47732.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 1012303355021 its reverse (1205533032101), we get a palindrome (2217836387122).

The spelling of 1012303355021 in words is "one trillion, twelve billion, three hundred three million, three hundred fifty-five thousand, twenty-one".