1025200012 has 12 divisors (see below), whose sum is σ = 1794902536. Its totient is φ = 512370720.

The previous prime is 1025200009. The next prime is 1025200019. The reversal of 1025200012 is 2100025201.

It is a junction number, because it is equal to n+sod(n) for n = 1025199965 and 1025200001.

It is not an unprimeable number, because it can be changed into a prime (1025200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47058 + ... + 65305.

Almost surely, 2^1025200012 is an apocalyptic number.

It is an amenable number.

1025200012 is a deficient number, since it is larger than the sum of its proper divisors (769702524).

1025200012 is a wasteful number, since it uses less digits than its factorization.

1025200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114648 (or 114646 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1025200012 is about 32018.7446974425. The cubic root of 1025200012 is about 1008.3304154793.

Adding to 1025200012 its reverse (2100025201), we get a palindrome (3125225213).

The spelling of 1025200012 in words is "one billion, twenty-five million, two hundred thousand, twelve".