1327252472021 has 32 divisors (see below), whose sum is σ = 1567370787840. Its totient is φ = 1100149053696.

The previous prime is 1327252472003. The next prime is 1327252472027. The reversal of 1327252472021 is 1202742527231.

It is a de Polignac number, because none of the positive numbers 2^k-1327252472021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327252472027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51673460 + ... + 51699138.

It is an arithmetic number, because the mean of its divisors is an integer number (48980337120).

Almost surely, 2^{1327252472021} is an apocalyptic number.

It is an amenable number.

1327252472021 is a deficient number, since it is larger than the sum of its proper divisors (240118315819).

1327252472021 is a wasteful number, since it uses less digits than its factorization.

1327252472021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26933.

The product of its (nonzero) digits is 94080, while the sum is 38.

Adding to 1327252472021 its reverse (1202742527231), we get a palindrome (2529994999252).

The spelling of 1327252472021 in words is "one trillion, three hundred twenty-seven billion, two hundred fifty-two million, four hundred seventy-two thousand, twenty-one".