1103212312320 has 72 divisors (see below), whose sum is σ = 3523384334736. Its totient is φ = 294189948928.

The previous prime is 1103212312313. The next prime is 1103212312327. The reversal of 1103212312320 is 232132123011.

It is an interprime number because it is at equal distance from previous prime (1103212312313) and next prime (1103212312327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103212312327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 143643597 + ... + 143651276.

It is an arithmetic number, because the mean of its divisors is an integer number (48935893538).

Almost surely, 2^{1103212312320} is an apocalyptic number.

1103212312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103212312320 is an abundant number, since it is smaller than the sum of its proper divisors (2420172022416).

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

1103212312320 is an equidigital number, since it uses as much as digits as its factorization.

1103212312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287294897 (or 287294883 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103212312320 its reverse (232132123011), we get a palindrome (1335344435331).

The spelling of 1103212312320 in words is "one trillion, one hundred three billion, two hundred twelve million, three hundred twelve thousand, three hundred twenty".