1021303330312 has 8 divisors (see below), whose sum is σ = 1914943744350. Its totient is φ = 510651665152.

The previous prime is 1021303330253. The next prime is 1021303330339. The reversal of 1021303330312 is 2130333031201.

It can be written as a sum of positive squares in only one way, i.e., 976472043556 + 44831286756 = 988166^2 + 211734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63831458137 + ... + 63831458152.

Almost surely, 2^{1021303330312} is an apocalyptic number.

It is an amenable number.

1021303330312 is a deficient number, since it is larger than the sum of its proper divisors (893640414038).

1021303330312 is a wasteful number, since it uses less digits than its factorization.

1021303330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127662916295 (or 127662916291 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1021303330312 its reverse (2130333031201), we get a palindrome (3151636361513).

The spelling of 1021303330312 in words is "one trillion, twenty-one billion, three hundred three million, three hundred thirty thousand, three hundred twelve".