1123213302312 has 32 divisors (see below), whose sum is σ = 2808788529600. Its totient is φ = 374303730944.

The previous prime is 1123213302311. The next prime is 1123213302317. The reversal of 1123213302312 is 2132033123211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1123213302311) 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, 6202833 + ... + 6381344.

It is an arithmetic number, because the mean of its divisors is an integer number (87774641550).

Almost surely, 2^{1123213302312} is an apocalyptic number.

1123213302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123213302312 is an abundant number, since it is smaller than the sum of its proper divisors (1685575227288).

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

1123213302312 is a wasteful number, since it uses less digits than its factorization.

1123213302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12587905 (or 12587901 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1123213302312 its reverse (2132033123211), we get a palindrome (3255246425523).

The spelling of 1123213302312 in words is "one trillion, one hundred twenty-three billion, two hundred thirteen million, three hundred two thousand, three hundred twelve".