1021063312 has 10 divisors (see below), whose sum is σ = 1978310198. Its totient is φ = 510531648.

The previous prime is 1021063289. The next prime is 1021063319. The reversal of 1021063312 is 2133601201.

It can be written as a sum of positive squares in only one way, i.e., 790509456 + 230553856 = 28116^2 + 15184^2 .

It is a super-2 number, since 2×1021063312² = 2085140574224818688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021063312.

It is not an unprimeable number, because it can be changed into a prime (1021063319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31908213 + ... + 31908244.

Almost surely, 2^1021063312 is an apocalyptic number.

It is an amenable number.

1021063312 is a deficient number, since it is larger than the sum of its proper divisors (957246886).

1021063312 is an equidigital number, since it uses as much as digits as its factorization.

1021063312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63816465 (or 63816459 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1021063312 is about 31954.0813042716. The cubic root of 1021063312 is about 1006.9723769742.

Adding to 1021063312 its reverse (2133601201), we get a palindrome (3154664513).

The spelling of 1021063312 in words is "one billion, twenty-one million, sixty-three thousand, three hundred twelve".