1123001200001 has 2 divisors, whose sum is σ = 1123001200002. Its totient is φ = 1123001200000.

The previous prime is 1123001199953. The next prime is 1123001200031. The reversal of 1123001200001 is 1000021003211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892692390976 + 230308809025 = 944824^2 + 479905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123001200001 is a prime.

It is a super-2 number, since 2×1123001200001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123001200031) 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 as a sum of consecutive naturals, namely, 561500600000 + 561500600001.

It is an arithmetic number, because the mean of its divisors is an integer number (561500600001).

Almost surely, 2^{1123001200001} is an apocalyptic number.

It is an amenable number.

1123001200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123001200001 is an equidigital number, since it uses as much as digits as its factorization.

1123001200001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1123001200001 its reverse (1000021003211), we get a palindrome (2123022203212).

The spelling of 1123001200001 in words is "one trillion, one hundred twenty-three billion, one million, two hundred thousand, one".