1145322112312 has 64 divisors (see below), whose sum is σ = 2460912076800. Its totient is φ = 489523547520.

The previous prime is 1145322112309. The next prime is 1145322112343. The reversal of 1145322112312 is 2132112235411.

It is a super-4 number, since 4×1145322112312⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 46205362 + ... + 46230142.

It is an arithmetic number, because the mean of its divisors is an integer number (38451751200).

Almost surely, 2^{1145322112312} is an apocalyptic number.

It is an amenable number.

1145322112312 is an abundant number, since it is smaller than the sum of its proper divisors (1315589964488).

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

1145322112312 is a wasteful number, since it uses less digits than its factorization.

1145322112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26996 (or 26992 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

Adding to 1145322112312 its reverse (2132112235411), we get a palindrome (3277434347723).

The spelling of 1145322112312 in words is "one trillion, one hundred forty-five billion, three hundred twenty-two million, one hundred twelve thousand, three hundred twelve".