1321430112546 has 32 divisors (see below), whose sum is σ = 2682827630208. Its totient is φ = 433828174080.

The previous prime is 1321430112521. The next prime is 1321430112577. The reversal of 1321430112546 is 6452110341231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171285 + ... + 2003688.

It is an arithmetic number, because the mean of its divisors is an integer number (83838363444).

Almost surely, 2^{1321430112546} is an apocalyptic number.

1321430112546 is an abundant number, since it is smaller than the sum of its proper divisors (1361397517662).

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

1321430112546 is a wasteful number, since it uses less digits than its factorization.

1321430112546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176026.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 1321430112546 its reverse (6452110341231), we get a palindrome (7773540453777).

The spelling of 1321430112546 in words is "one trillion, three hundred twenty-one billion, four hundred thirty million, one hundred twelve thousand, five hundred forty-six".