1321401179632 has 10 divisors (see below), whose sum is σ = 2560214785568. Its totient is φ = 660700589808.

The previous prime is 1321401179627. The next prime is 1321401179663. The reversal of 1321401179632 is 2369711041231.

It is a super-2 number, since 2×1321401179632² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41293786848 + ... + 41293786879.

Almost surely, 2^{1321401179632} is an apocalyptic number.

It is an amenable number.

1321401179632 is a deficient number, since it is larger than the sum of its proper divisors (1238813605936).

1321401179632 is an equidigital number, since it uses as much as digits as its factorization.

1321401179632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82587573735 (or 82587573729 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 1321401179632 in words is "one trillion, three hundred twenty-one billion, four hundred one million, one hundred seventy-nine thousand, six hundred thirty-two".