1273579272162 has 54 divisors (see below), whose sum is σ = 2770221533859. Its totient is φ = 422871390720.

The previous prime is 1273579272083. The next prime is 1273579272253. The reversal of 1273579272162 is 2612729753721.

1273579272162 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 579 + 2 + 7 + 2 + 1 + 62 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 1185026010921 + 88553261241 = 1088589^2 + 297579^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=797991.

It is a junction number, because it is equal to n+sod(n) for n = 1273579272099 and 1273579272108.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2207242818 + ... + 2207243394.

Almost surely, 2^{1273579272162} is an apocalyptic number.

1273579272162 is an abundant number, since it is smaller than the sum of its proper divisors (1496642261697).

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

1273579272162 is an frugal number, since it uses more digits than its factorization.

1273579272162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 1043 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The spelling of 1273579272162 in words is "one trillion, two hundred seventy-three billion, five hundred seventy-nine million, two hundred seventy-two thousand, one hundred sixty-two".