1021303342452 has 12 divisors (see below), whose sum is σ = 2383041132416. Its totient is φ = 340434447480.

The previous prime is 1021303342421. The next prime is 1021303342471. The reversal of 1021303342452 is 2542433031201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42554305924 + ... + 42554305947.

Almost surely, 2^{1021303342452} is an apocalyptic number.

1021303342452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021303342452 is an abundant number, since it is smaller than the sum of its proper divisors (1361737789964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021303342452 is a wasteful number, since it uses less digits than its factorization.

1021303342452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85108611878 (or 85108611876 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1021303342452 its reverse (2542433031201), we get a palindrome (3563736373653).

The spelling of 1021303342452 in words is "one trillion, twenty-one billion, three hundred three million, three hundred forty-two thousand, four hundred fifty-two".