1123201440002 has 32 divisors (see below), whose sum is σ = 1754993142000. Its totient is φ = 538474144768.

The previous prime is 1123201439981. The next prime is 1123201440007. The reversal of 1123201440002 is 2000441023211.

It can be written as a sum of positive squares in 8 ways, for example, as 1654781041 + 1121546658961 = 40679^2 + 1059031^2 .

It is not an unprimeable number, because it can be changed into a prime (1123201440007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46801718 + ... + 46825710.

Almost surely, 2^{1123201440002} is an apocalyptic number.

1123201440002 is a deficient number, since it is larger than the sum of its proper divisors (631791701998).

1123201440002 is a wasteful number, since it uses less digits than its factorization.

1123201440002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29590.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1123201440002 its reverse (2000441023211), we get a palindrome (3123642463213).

The spelling of 1123201440002 in words is "one trillion, one hundred twenty-three billion, two hundred one million, four hundred forty thousand, two".