1120320312012 has 72 divisors (see below), whose sum is σ = 3251966477760. Its totient is φ = 321623053920.

The previous prime is 1120320311969. The next prime is 1120320312043. The reversal of 1120320312012 is 2102130230211.

1120320312012 is a `hidden beast` number, since 1 + 1 + 20 + 320 + 312 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74442258 + ... + 74457305.

It is an arithmetic number, because the mean of its divisors is an integer number (45166201080).

Almost surely, 2^{1120320312012} is an apocalyptic number.

1120320312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120320312012 is an abundant number, since it is smaller than the sum of its proper divisors (2131646165748).

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

1120320312012 is a wasteful number, since it uses less digits than its factorization.

1120320312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148899603 (or 148899598 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1120320312012 its reverse (2102130230211), we get a palindrome (3222450542223).

The spelling of 1120320312012 in words is "one trillion, one hundred twenty billion, three hundred twenty million, three hundred twelve thousand, twelve".