1123330212345 has 128 divisors (see below), whose sum is σ = 2280341237760. Its totient is φ = 464512942080.

The previous prime is 1123330212287. The next prime is 1123330212371. The reversal of 1123330212345 is 5432120333211.

It is not a de Polignac number, because 1123330212345 - 2⁹ = 1123330211833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 767577 + ... + 1683993.

It is an arithmetic number, because the mean of its divisors is an integer number (17815165920).

Almost surely, 2^{1123330212345} is an apocalyptic number.

1123330212345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123330212345 is an abundant number, since it is smaller than the sum of its proper divisors (1157011025415).

1123330212345 is a wasteful number, since it uses less digits than its factorization.

1123330212345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916495.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1123330212345 its reverse (5432120333211), we get a palindrome (6555450545556).

The spelling of 1123330212345 in words is "one trillion, one hundred twenty-three billion, three hundred thirty million, two hundred twelve thousand, three hundred forty-five".