1323012020312 has 16 divisors (see below), whose sum is σ = 2480703585360. Its totient is φ = 661491064224.

The previous prime is 1323012020303. The next prime is 1323012020339. The reversal of 1323012020312 is 2130202103231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487468 + ... + 2204219.

It is an arithmetic number, because the mean of its divisors is an integer number (155043974085).

Almost surely, 2^{1323012020312} is an apocalyptic number.

It is an amenable number.

1323012020312 is a deficient number, since it is larger than the sum of its proper divisors (1157691565048).

1323012020312 is a wasteful number, since it uses less digits than its factorization.

1323012020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736490 (or 3736486 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1323012020312 its reverse (2130202103231), we get a palindrome (3453214123543).

The spelling of 1323012020312 in words is "one trillion, three hundred twenty-three billion, twelve million, twenty thousand, three hundred twelve".