1323121003312 has 40 divisors (see below), whose sum is σ = 2675094782976. Its totient is φ = 632775882816.

The previous prime is 1323121003291. The next prime is 1323121003363. The reversal of 1323121003312 is 2133001213231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21293473 + ... + 21355519.

Almost surely, 2^{1323121003312} is an apocalyptic number.

It is an amenable number.

1323121003312 is an abundant number, since it is smaller than the sum of its proper divisors (1351973779664).

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

1323121003312 is a wasteful number, since it uses less digits than its factorization.

1323121003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120025 (or 120019 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1323121003312 its reverse (2133001213231), we get a palindrome (3456122216543).

The spelling of 1323121003312 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-one million, three thousand, three hundred twelve".