1123412001122 has 4 divisors (see below), whose sum is σ = 1685118001686. Its totient is φ = 561706000560.

The previous prime is 1123412001077. The next prime is 1123412001191. The reversal of 1123412001122 is 2211002143211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1084203645001 + 39208356121 = 1041251^2 + 198011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1123412001094 and 1123412001103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280853000279 + ... + 280853000282.

Almost surely, 2^{1123412001122} is an apocalyptic number.

1123412001122 is a deficient number, since it is larger than the sum of its proper divisors (561706000564).

1123412001122 is an equidigital number, since it uses as much as digits as its factorization.

1123412001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561706000563.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1123412001122 its reverse (2211002143211), we get a palindrome (3334414144333).

The spelling of 1123412001122 in words is "one trillion, one hundred twenty-three billion, four hundred twelve million, one thousand, one hundred twenty-two".