1230305566772 has 12 divisors (see below), whose sum is σ = 2159826651780. Its totient is φ = 613212237696.

The previous prime is 1230305566759. The next prime is 1230305566783. The reversal of 1230305566772 is 2776655030321.

It can be written as a sum of positive squares in 2 ways, for example, as 109404823696 + 1120900743076 = 330764^2 + 1058726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485134997 + ... + 485137532.

It is an arithmetic number, because the mean of its divisors is an integer number (179985554315).

Almost surely, 2^{1230305566772} is an apocalyptic number.

It is an amenable number.

1230305566772 is a deficient number, since it is larger than the sum of its proper divisors (929521085008).

1230305566772 is a wasteful number, since it uses less digits than its factorization.

1230305566772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970272850 (or 970272848 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 1230305566772 in words is "one trillion, two hundred thirty billion, three hundred five million, five hundred sixty-six thousand, seven hundred seventy-two".