1272302785296 has 45 divisors (see below), whose sum is σ = 3560718592821. Its totient is φ = 424096416576.

The previous prime is 1272302785283. The next prime is 1272302785297. The reversal of 1272302785296 is 6925872032721.

The square root of 1272302785296 is 1127964.

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

1272302785296 is a `hidden beast` number, since 1 + 2 + 7 + 230 + 278 + 52 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1252832490000 + 19470295296 = 1119300^2 + 139536^2 .

It is not an unprimeable number, because it can be changed into a prime (1272302785297) 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, 13488570 + ... + 13582566.

Almost surely, 2^{1272302785296} is an apocalyptic number.

1272302785296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1272302785296 is the 1127964-th square number.

It is an amenable number.

1272302785296 is an abundant number, since it is smaller than the sum of its proper divisors (2288415807525).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272302785296 is an frugal number, since it uses more digits than its factorization.

1272302785296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188008 (or 94002 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 1272302785296 in words is "one trillion, two hundred seventy-two billion, three hundred two million, seven hundred eighty-five thousand, two hundred ninety-six".