1322312113012 has 48 divisors (see below), whose sum is σ = 2606759608320. Its totient is φ = 581458456800.

The previous prime is 1322312113009. The next prime is 1322312113021. The reversal of 1322312113012 is 2103112132231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 3758593 + ... + 4095319.

It is an arithmetic number, because the mean of its divisors is an integer number (54307491840).

Almost surely, 2^{1322312113012} is an apocalyptic number.

It is an amenable number.

1322312113012 is a deficient number, since it is larger than the sum of its proper divisors (1284447495308).

1322312113012 is a wasteful number, since it uses less digits than its factorization.

1322312113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339652 (or 339650 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1322312113012 its reverse (2103112132231), we get a palindrome (3425424245243).

The spelling of 1322312113012 in words is "one trillion, three hundred twenty-two billion, three hundred twelve million, one hundred thirteen thousand, twelve".