912787249201 has 9 divisors (see below), whose sum is σ = 917588293803. Its totient is φ = 908011209600.

The previous prime is 912787249159. The next prime is 912787249261. The reversal of 912787249201 is 102942787219.

The square root of 912787249201 is 955399.

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

It can be written as a sum of positive squares in only one way, i.e., 527295274801 + 385491974400 = 726151^2 + 620880^2 .

It is not a de Polignac number, because 912787249201 - 2⁹ = 912787248689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912787249261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 190122001 + ... + 190126801.

It is an arithmetic number, because the mean of its divisors is an integer number (101954254867).

Almost surely, 2^912787249201 is an apocalyptic number.

912787249201 is the 955399-th square number.

912787249201 is the 477700-th centered octagonal number.

It is an amenable number.

912787249201 is a deficient number, since it is larger than the sum of its proper divisors (4801044602).

912787249201 is an frugal number, since it uses more digits than its factorization.

912787249201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 912787249201 in words is "nine hundred twelve billion, seven hundred eighty-seven million, two hundred forty-nine thousand, two hundred one".