1123341223212 has 72 divisors (see below), whose sum is σ = 3156629141120. Its totient is φ = 334493660160.

The previous prime is 1123341223201. The next prime is 1123341223253. The reversal of 1123341223212 is 2123221433211.

1123341223212 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 3 + 412 + 232 + 12 = 666.

It is a nude number because it is divisible by every one of its digits.

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, 38700037 + ... + 38729052.

Almost surely, 2^{1123341223212} is an apocalyptic number.

1123341223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123341223212 is an abundant number, since it is smaller than the sum of its proper divisors (2033287917908).

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

1123341223212 is a wasteful number, since it uses less digits than its factorization.

1123341223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77429143 (or 77429138 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 1123341223212 its reverse (2123221433211), we get a palindrome (3246562656423).

The spelling of 1123341223212 in words is "one trillion, one hundred twenty-three billion, three hundred forty-one million, two hundred twenty-three thousand, two hundred twelve".