1295012822727 has 16 divisors (see below), whose sum is σ = 1859628643040. Its totient is φ = 796878231552.

The previous prime is 1295012822699. The next prime is 1295012822749. The reversal of 1295012822727 is 7272282105921.

It is not a de Polignac number, because 1295012822727 - 2⁷ = 1295012822599 is a prime.

It is a super-2 number, since 2×1295012822727² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295012822527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497602 + ... + 1684527.

It is an arithmetic number, because the mean of its divisors is an integer number (116226790190).

Almost surely, 2^{1295012822727} is an apocalyptic number.

1295012822727 is a deficient number, since it is larger than the sum of its proper divisors (564615820313).

1295012822727 is a wasteful number, since it uses less digits than its factorization.

1295012822727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197362.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 1295012822727 in words is "one trillion, two hundred ninety-five billion, twelve million, eight hundred twenty-two thousand, seven hundred twenty-seven".