1245112295716 has 81 divisors (see below), whose sum is σ = 2381593574451. Its totient is φ = 569456384256.

The previous prime is 1245112295681. The next prime is 1245112295723. The reversal of 1245112295716 is 6175922115421.

The square root of 1245112295716 is 1115846.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 579191014116 + 665921281600 = 761046^2 + 816040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1403733825 + ... + 1403734711.

Almost surely, 2^{1245112295716} is an apocalyptic number.

1245112295716 is the 1115846-th square number.

It is an amenable number.

1245112295716 is a deficient number, since it is larger than the sum of its proper divisors (1136481278735).

1245112295716 is an frugal number, since it uses more digits than its factorization.

1245112295716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 943 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The spelling of 1245112295716 in words is "one trillion, two hundred forty-five billion, one hundred twelve million, two hundred ninety-five thousand, seven hundred sixteen".