1025012512 has 12 divisors (see below), whose sum is σ = 2017993446. Its totient is φ = 512506240.

The previous prime is 1025012507. The next prime is 1025012531. The reversal of 1025012512 is 2152105201.

It can be written as a sum of positive squares in only one way, i.e., 973689616 + 51322896 = 31204^2 + 7164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1025012512.

It is an unprimeable number.

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, 16015789 + ... + 16015852.

Almost surely, 2^1025012512 is an apocalyptic number.

It is an amenable number.

1025012512 is a deficient number, since it is larger than the sum of its proper divisors (992980934).

1025012512 is an equidigital number, since it uses as much as digits as its factorization.

1025012512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32031651 (or 32031643 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1025012512 is about 32015.8165911788. The cubic root of 1025012512 is about 1008.2689401646.

Adding to 1025012512 its reverse (2152105201), we get a palindrome (3177117713).

The spelling of 1025012512 in words is "one billion, twenty-five million, twelve thousand, five hundred twelve".