1323111203312 has 40 divisors (see below), whose sum is σ = 2625421520304. Its totient is φ = 645609775104.

The previous prime is 1323111203303. The next prime is 1323111203321. The reversal of 1323111203312 is 2133021113231.

It is an interprime number because it is at equal distance from previous prime (1323111203303) and next prime (1323111203321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40703 + ... + 1627230.

Almost surely, 2^{1323111203312} is an apocalyptic number.

It is an amenable number.

1323111203312 is a deficient number, since it is larger than the sum of its proper divisors (1302310316992).

1323111203312 is a wasteful number, since it uses less digits than its factorization.

1323111203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669137 (or 1669131 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1323111203312 its reverse (2133021113231), we get a palindrome (3456132316543).

The spelling of 1323111203312 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, two hundred three thousand, three hundred twelve".